ÔN TẬP TIẾNG ANH 9

ÔN TẬP TIẾNG ANH 9 FILE WORD THAM KHẢO

CONDITIONAL SENTENCES ADVERB CLAUSE OF REASON ADJECTIVES + THAT CLAUSE I CÂU ĐIỀU KIỆN  Điều kiện xảy (probable conditions) Trong mệnh đề If loại 1, mệnh đề thường tại, tương lai, thể mệnh lệnh Mệnh đề IF Mệnh đề Simple present Future Present Imperative If you go to the drug store, buy me a soft drink If Mary calls, I’ll invite her to the concert If Mary should call, I’ll invite her to the concert If I have the money, I will buy a new car We will have plenty of time to finish the project before dinner if it is only ten o’clock now Trong loại 1, mệnh đề If Tuy nhiên, ý ví dụ thứ sử dụng động từ should Nghĩa gần khơng khác ví dụ thứ thứ ngoại trừ cách dùng should xem trịnh trọng Và should diễn tả chắn khả Mary gọi điện If + subject + simple present tense + subject + + simple present tense Mẫu câu dùng để diễn tả thói quen Ví dụ: If the doctor has morning office hours, he visits his patients in the hospital in the afternoon (khơng có động từ khuyết thiếu.) John usually walks to school if he has enough time If + Subject + simple present tense + command form* * Nên nhớ mệnh lệnh thức dạng đơn giản động từ ( simple form) Mẫu câu có nghĩa nhờ ai, lệnh cho làm Ví dụ: If you go to the Post Office, please mail this letter for me Please call me if you hear from Jane  Điều kiện khơng có thật (present-unreal conditions) Mệnh đề IF Mệnh đề Simple past S + would/should/could/might + bare_inf (bewere) If I had the money, I would buy a motorcycle.( but now I don’t have enough money.) If John were here, he could fix the plumbing.( He is not here).(He can’t fix the plumbing) If I had the time, I would go to the beach with you this weekend (but I don’t have the time.) ( I’m not going to the beach with you.) He would tell you about it if he were here ( he won’t tell you about it.) ( He is not here) If he didn’t speak so quickly, you could understand him (He speaks very quickly.) (You can’t understand him.) Lưu ý: Động từ to be sau if mẫu câu phải chia làm were tất ngơi I they were Ví dụ: If I were you, I wouldn’t such a thing (but I’m not you.)  Điều kiện khơng có thật khứ (past-unreal conditions) Mệnh đề IF Mệnh đề Past perfect (S + had + PP) S + would/should/could/might + have + PP If I had known you were sick, I would have made you some soup Ở đây, câu có nghĩa tơi khơng biết bạn bị bệnh (và bạn hết bệnh) If you had been here yesterday, you could have seen Pam Trong ví dụ này, rõ ràng bạn khơng có mặt ngày hơm qua  Chú ý ví dụ tình q khứ, khơng phải Từ If giúp bạn nhận biết mệnh đề if Nhưng khơng phải lúc diện Chú ý trường hợp đặc biệt sau Loại 1: Should If you should get me a letter from Greece, give me a call Should you get me a letter from Greece, give me a call Chú ý ví dụ thứ 2, if bỏ đi, should chủ ngữ you hốn đổi vị trí Loại 2: were If you were taller, you could reach the light Were you taller, you could reach the light Một lần if bỏ Lần were hốn chuyển vị trí với chủ ngữ you Loại 3: had If I had agreed, Jim would have married me Had I agreed, Jim would have married me Chú ý ví dụ thứ 2, if bỏ đi, had hốn chuyển vị trí với chủ ngữ I Trong loại này, nghĩa khơng thay đổi đáng kể Tuy nhiên, hốn vị xem tương đối trịnh trọng Unless, có nghĩa tương tự if not, dùng mệnh đề điều kiện Hai câu sau có nghĩa tương tự: If it doesn’t rain, we’ll go to the lake Unless it rains, we’ll go to the lake Câu điều kiện lúc tuân theo công thức trên, số trường hợp vế câu điều kiện khứ vế lại thời gian mệnh đề quy định Ví dụ: If she had caught the flight she would be here by now Lưu ý: Trong số trường hợp câu điều kiện thực thời khứ, người ta bỏ if đảo had lên đầu câu ý nghĩa giữ nguyên Had + subject + [verb in past participle ] Ví dụ: Had we known you were there, we would have written you a letter Had she found the right buyer, she would have sold the house Hadn’t we lost the way, we would have arrived sooner Type (0) conditionals: thể điều kiện thời điểm tương lai If + present, S + present Ví dụ: If there is no air on the earth, life doesn’t exist If I work late, I get tired Một số hình thức câu điều kiện đặc biệtđặc biệt a Sử dụng “If only” để nhấn mạnh tình mang tính giả thiết If only, S + past Ví dụ:If only, the river one feet long If only, I hadn’t drunk too much b Sử dụng “should” mệnh đề điều kiện để tạo khả hành động xảy Trong câu , should hiểu theo nghĩa “tình cờ/ ngẫu nghiên” If S + should + V +O, a question Ví dụ: If you should see him in London, could you tell him to call me? c Sử dụng: “were to” mệnh dề điều kiện để tăng thêm tính giả thiết Mệnh đề kết thường câu hỏi If S + were to + V + O, a question Ví dụ: If I were to ask you to lend me some money, what would you say? d Sử dụng cụm từ giả thiết “If it were not for / If it hadn’t been for + O” để miêu tả hành động phụ thuộc vào hành động khác Ví dụ: If it were not for you , I failed the exam If it hadn’t been for him, the team wouldn’t have won the game Exercise 1: Supply the correct tense of the verb in parentheses If today (be) ……………… Sunday, we would go to the beach If we (invite)………… her, she might go dancing with us If I finish the work in time, I (go)………… to the football game If he (have) …………… your address, he would have written to you Unless they (pass)………………… their examinations, they would join the army If he had told them the truth, they (not punish)………………… him These plants will die if you (not water)………………… them regularly What you (do)……… if she refuses your invitation? He never does his homework If he (do) ………….his homework, he (not worry)………… about his examinations 10 It’s too bad we lost the game If you (play) …… for us, we …………(win) 11 If we keep our environment clean, we(live) ………………… a happier and healthier life 12 If Mrs Hoa (write) …………… a shopping list, she will not forget what to buy 13 If he (be) ………………… rich, he would travel around the world 14 She (buy) ………………… a new car if she had much money 15 Mrs Lan will join us if she (finish)…………… her work early 16 If we plant more trees along the streets, we (have) ………………… more shade and fresh air 17 If I (be) ………… you, I wouldn’t that 18.He (go) ………………… swimming if he had free time 19 If the rice paddies are polluted, the rice plants (die) ………………… 20 If it ( rain)…………… this evening, I won’t go out 21 If he had a car, he (drive) …………………… it to work 22 If Hoa (live) ………………… in Hue, she would see her parents everyday Exercise Rewrite, using the cues given They got lost because they didn’t have a map If The weather is bad, so we can’t go for a walk If If she doesn’t hurry, she will be late for school Unless That man didn’t enjoy his work because he was underpaid If She has no bicycle, so she often comes to her office a little late If Be calm, or you’ll make a wrong decision If If it doesn’t rain soon, millions of pounds’ worth of crop will be lost Unless My brother didn’t buy that car because he didn’t have enough money If People don’t understand him because he doesn’t speak clearly If 10 Tom is a careless driver If he doesn’t take more care, he’ll have an accident Unless …………………………………………………………………………… Conditional Sentences (VIẾT LẠI CÂU) There are so many bugs in the room because there isn’t a screen on the window → If _ He is busy right now So he can’t help them → If _ I can’t make all of my own meals because I am not good at cooking → If _ I’m not you, so I can’t tell him the truth → If I She came, so he wasn’t disappointed → If _ He is not a good student He doesn't study every day → If _ I didn’t eat breakfast several hours ago, so I am hungry now → If _ Mai is sick because she didn’t follow the doctor’s orders → If _ He is tired this morning because he didn’t go to bed early last night → If _ 10 They don’t behave themselves so their parents are not happy about that → If _ 11 She didn’t say sorry so he was angry → If _ 12 I am not a rich businessman and I can’t afford to buy an expensive car → If _ 13 It rained last night so I didn’t go to the barbecue → If _ 14 My parents not allow me to go, so I have to stay at home → If _ 15 She doesn’t pay attention to her cooking so the food is horrible → If _ 16 The weather was very nice so we didn’t go camping → If _ 17 The computer broke down and I had to stop my work → If _ 18 She loves him so she forgives him easily → If _ 19 He was angry so I didn’t say anything → If _ 20 You got into so much trouble because you didn’t listen to me → If _ 21 What would you if you found some buried treasure? → If you were………………………………………………………………… 22 Working so much will make you tired → If you …….……………………………………………………………… Rewrite the sentences, beginning with “I wish ” : They don’t come here on time It rains heavily She won’t go to Hanoi with me tomorrow Tom can’t help me My sister isn’t here He never goes to school on time He fails the final examination I’m sorry, I must go now She’ll sell her house next week 10 Mary doesn’t stay at home on Sundays II) TRẮC NGHIỆM If I ……….a lot of money now, I ………… a new car a have /will buy b have / would buy c had/ will buy d had/ would buy If I ……………you, I …………….do that a am/ will b were /would c were/ will d had been/ would If I were offered the job, I think I ……… it a take b will take c would take d would have taken I would be very surprised if he…………… a refuses b refused c had refused d would refuse Many people would be out of work if that factory……… down a closes b had closed c closed d would close If she sold her car, she ………… much money a gets b would get c will get d would have got They would be disappointed if we…………… a hadn’t come b wouldn’t come c don’t come d didn’t come Would John be angry if I …… ……his bicycle without asking? a take b took c had taken d would take She ……….terrible upset if I lost this ring a will be b would be c were d had been 10 If someone…………in here with a gun, I would be very frightened a would walk b walks c had walked d walked 11 What would happen if you …………… to work tomorrow? a don’t go b didn’t go c won’t go d wouldn’t go 12 We ‘ll get wet if we ………….out a go b did go c went d had gone 13 If I go shopping, I ………some food a buy b will buy c would buy d would have bought 14 If I find it, I ………you a will tell b would tell c had told d told 15 What would you if you……………a million dollars? a would win b win c had won d won 16 They ‘d be hurt if I ……………… a don’t go b didn’t go c hadn’t gone d wouldn’t go 17 If we took the 6: 30 train, we…………too early a would have arrived b arrived c will arrived d would arrive 18 If I had known you were in hospital, I …………to see you a will go b would go c went d would have gone 19 If I …………., I would have said hello a had seen b see c saw d would see 20 I………… out if I hadn’t been so tired a will go b went c would have gone d would go 21 If I ……… a camera, I would have taken some pictures a have b had c would have d had had 22 You won’t pass the examination……………you study more a as long as b unless c if d whether 23 If only I …………you wanted to invest money in business a had known b knew c have known d know 24 If I were to leave my country , I ……………disappointed a probably be b would have been c will be d would be 25 If he hadn’t wasted too much time, he…………….in his examination a would fail b wouldn’t fail c wouldn’t have failed d won’t fail 26 If I had taken that English course, I ……… much progress a had made b would have made c made d would make 27 If I were in your place, I ……….a trip to England a will make b had made c made d would make 28 If I ………… you , I’d save some of your lottery winning a be b were c am d was 29 If the car ……… larger, we would have bought it a had been b have been c has been d been 30 If I had enough money, I ……… abroad to improve my English a will go b should go c would go d should have go to 31 If it …… convenient, let’s go out for a drink tonight a be b was c were d is 32 If you …… time, please write to me a have b have had c had d has 33 If you had the chance, ………… you go finishing? a did b would c may d 34 Trees won’t grow ……… there is enough water a if b when c unless d as 35 If you ……… to my advice in the first place, you wouldn’t be in this mess right now a listen b had listened c will listen d listened 36 I wish I …… you some money for your rent, but I’m broke myself a can lend b could lend c would lend d will lend 37 If someone ……… into the store, smile and say, “ May I help you?” a comes b came c would come d could lend 38 If you stay up late the previous night, you ……… sleepy the next morning a feel b to feel c feels d will feel 39 If Peter ……, Sarah will be sad because she wants to meet him very much a comes b not come c does not come d will come 40 If his teeth still …… , he will have to go to the dentist’s again a hurt b hurts c to hurt c will hurt 41 If you…………Tom , tell him I have a message for him a will meet b would meet c meet d met 42 If you …………too hot during the night , turn down the central heating a will feel b felt c feel d feels 43 If you …………with your dictionary, I ‘d like to borrow it a finish b finished c will finish d are finishing 44 If I lived nearer the centre , I …………always late a wouldn’t be b can be c won’t be d will be 45 What would Lan if she ………… the Miss world a would be b were c will be d is 46 If I ………….her , I would have said “ hello” a has seen b have seen c saw d had seen 47 If she had read the passage more slowly , the candidate………… a understood b would have understood c will understood d would understand 48 If it……………, they will not go out a rains b rained c rain d raining 49 James will not complete the work if she is ………… rarely enough a tell b telling c tells d told 50 Betty will not go to the party unless John ……………….too a go b went c going d goes 51 Miss An does not want to go on the trip if nobody………… with her a go b goes c went d going 52 If you ………….to go shopping, please go with your aunt this weekend a wants b want c wanting d wanted 53 Mr Smith has to work on weekends if his manager………….him to a tell b telling c told d tells 54 Unless they ……………her to work hard, she would not a encourage b encourage c encourages d encouraging 55 If I ……….a king, I would give money to the poor a is b are c am d were 56 If we had left this country , we would have………….to Australia a emigrated b emigrates c emigrate d emigrating 57 If I had to the party last night, I …………her a will have met b would meet c would have met d will meet 58 Unless the pupils pay attention, the teacher …………….be angry a would b may c will d might 59 Please not go out if it……………… a rain b rains c rained d raining 60 If you …………me with this exercise, I will the same for you one day a helped b would help c help d will help 61 If you listen to music, you can’t ……………your study a concentrate on b interested in c care about d read about 62 ……………you study harder, you won’t pass the final exam a unless b if c if not d without 63 If the weather………….fine, we will go on a picnic a is b were c would be d will be 64 If he………………….harder, the results will be better a worked b works c has worked d will work 65 If Americans ate fewer foods with sugar and salt, their general health better a be b will be c is d would be 66 If she hadn’t overslept, she ……… late for the interview a wouldn’t be b wouldn’t have been c hadn’t been d would have been 67 I’d have told you if I ………… the book a had seen b would have seen c saw d see 68 If we had known your new address, we………… to see you a came b would have come c would come d will come 69 If I found a wallet in the street, I ………….take it to police a will b should c would d shall 70 I ………….that coat if I were you a wouldn’t buy b didn’t buy c don’t buy d won’t buy 71 We didn’t visit the museum because we hadn’t time → ……………………………………………………………… 72 Without you, I would have given up years ago → If it ……………………………………………………………… 73 We didn’t go by air only because we hadn’t enough money →If we……………………………………………………………… 74 If by any chance you find my wallet, could you let me know? →If you should ……………………………………………………………… 75 I regret not studying hard last term →…If only…………………………………………………………… 76 He didn’t work hard at school, so he didn’t get a good job when he left → If……………………………………………………………… 77 people don’t enough exercise, so there is a lot of heart disease →If people……………………………………………………………… 78 Children have bad teeth because they eat too many sweets → Children would have better teeth if……………………………………………………… II ADVERB CLAUSE OF REASON +Mệnh đề lý mệnh đề phụ bắt đầu liên từ lý BECAUSE, AS, SINCE Ba chữ có nghĩa vì, cách dùng khác S1 + V + because/ since/ as + S2 + V Main clause adverb clause of reason Because/ Since/ As + S2 V, adverb clause of reason + S1 + V Main clause Ví dụ: a) Because - Because he was sleepy, he went to bed – He went to bed because he was sleepy Mệnh đề phụ có chữ because đứng trước sau mệnh đề Tuy nhiên phải ý mệnh đề phụ trước phải có dấu phảy (,) ngăn cách với mênh đề b) As - As she was free, she came to see me Vì rảnh rỗi, đến thăm c) Since - Since he doesn’t like music, he never goes to the concert Vì anh khơng thích nhạc, anh khơng xem hồ nhạc Mệnh đề since as đứng trước mệnh đề b) So/ As Long As - As long as ( So long as) you’re not busy Can you help me ? Vì bạn khơng bận rộn, bạn giúp tơi ? + Ngồi liên từ phụ thuộc ( Subordinating Conjuctions) Because, Since, As, As long as, liên từ kết hợp ( Co-ordinating conjuctions) FOR lý * Liên từ kết hợp liên từ nối hai mệnh đề độc lập (independent clauses) khơng dùng đầu câu Ví dụ: - I phoned her, for I wanted to tell her about her exam Tôi gọi điện cho cô tơi muốn nói với kỳ thi + Mệnh đề lý đổi cụm từ lý ( phrases of reason) với because of due to Ví dụ: - Because the weather was cold, we stayed home → Because of the cold weather, we stayed home → Due to the cold weather, we stayed home Vì thời tiết lạnh, nhà Because Because of Because Because of có nghĩa chúng dùng với cẩu trúc khác a ) Because liên từ (Conjunction), theo sau mệnh đề (Clause) Ví dụ: - Because the traffic was heavy, we were late for the meeting S V Vì xe cộ đơng đúc, chúng tơi đến buổi họp trễ b) Because of nhóm giới từ ( Prepositional phrase), theo sau cụm danh từ ( noun phrase) Ví dụ: - Because of the heavy traffic, we were late for the meeting Because , since, as so a Because, since as liên từ lí do: vì, do, Mệnh đề bắt đầu because, since as gọi mệnh đề trạng ngữ nguyên nhân, lí VD: He couldn’t come because he was ill Since he didn’t work hard, he failed the exam As you weren’t there, I left a message S + V … + because / since / as + S + V … Because + S + V, S + V … Lưu ý: Because thường đứng câu, since / as thường đứng đầu câu b So liên từ kết : thế, vậy, thế, vậy, Mệnh đề bắt đầu “so” mệnh đề trạng ngữ kết VD: I was tired, so I went to bed early last night S + V …, so S + V … Lưu ý: Chúng ta chuyển đổi mệnh đề trạng ngữ kết bắt đầu “so” thành mệnh đề trạng ngữ nguyên nhân, lí ngược lại VD: The shops were closed, so I couldn’t get any milk I couldn’t get any milk because the shops were closed B-PRACTICE I Adverb clauses of reason: because, since, as : Clause +Because/Since/As + Clause I have a broken leg I fell over while I was playing basket ball (since) …………………………………………………………………………………………………… Hoa wants to go home Hoa feels sick (as) ……………………………………………………………………………………… I broke the cup I was careless (as) …………………………………………………………………………………………………… Ba is tired Ba stayed up late watching TV (since) …………………………………………………………………………………………………… I am hungry I haven’t eaten all day (because) …………………………………………………………………………………………………… Nga is going to be late for school The bus is late (because) …………………………………………………………………………………………………… The door was open I walked in (as) …………………………………………………………………………………………………… We don’t want to wake up anybody up We came in very quietly (since) …………………………………………………………………………………………………… Archi was very fast He ate too much (because) …………………………………………………………………………………………………… 10 We hadn’t seen Lisa for a long time We didn’t recognise her (as) …………………………………………………………………………………………………… II Rewrite these sentences by using BECAUSE He couldn’t meet you because of being busy …………………………………………………………………………………………………… She went to bed early because of her sickness …………………………………………………………………………………………………… Nobody can this test beccause of its diffculty …………………………………………………………………………………………………… Two cars can’t pass each other because of the narrow road …………………………………………………………………………………………………… We spent the whole day in the garden because of lovely weather 10 …………………………………………………………………………………………………… He can’t go to school today because of his toothache …………………………………………………………………………………………………… I can’t play basketball because of my height …………………………………………………………………………………………………… She must stay in bed because of her illness …………………………………………………………………………………………………… We can’t swim in this part of the river because of highly polluted water …………………………………………………………………………………………………… 10 They couldn’t keep on clearing the beach because of heavy rain …………………………………………………………………………………………………… III Rewrite these sentences by using BECAUSE OF She can’t work hard because she is very old …………………………………………………………………………………………………… He likes her because she is very beautiful …………………………………………………………………………………………………… He couldn’t go to school because he was very pooor …………………………………………………………………………………………………… I can’t buy this bike because I don’t have enough money …………………………………………………………………………………………………… He broke the vase because he was careless …………………………………………………………………………………………………… He failed the exam because he didn’t learn the lessons carefully …………………………………………………………………………………………………… We can’t go for a walk because it rains heavily …………………………………………………………………………………………………… He left school because his life was hard …………………………………………………………………………………………………… She was very happy because she was given a new bike …………………………………………………………………………………………………… 10 I went to bed early because I felt tired …………………………………………………………………………………………………… IV Complete the sentences with because / as / since , if , unless, when, or so We decided to go out for a meal ……………… we had no food at home He has a very important job…………… he is particularly well-paid Can I borrow that book…………….you’ve finished it? You can’t drive a car ……………… you’ve got a licence No one was watching the television …………… I switched the television off …………………she changed a lot, we didn’t recogine her …………….you’ve ready, we can start now I’m going away for a few days I’ll phone you…………………I get back You should inform the police …………………your bicycle is stolen 10 Mattew went to bed ………………… it was too late to go out 11 …………….you drive without driving license, oyu’re breaking the law 12 You won’t learn to use a keyboard properly …………………you practice III ADJECTIVES + THAT CLAUSE Form: S+ be+ adjective + that clause Chúng ta dùng Adjective + that clause để nói cảm xúc hay ý kiến người hay chắn điều 11 Những tính từ sau dùng với cấu trúc này: afraid, amazed, angry, annoyed, delighted, happy, please, certain, confident, sure, sorry, upset, excited, surprised, disappointed…….Adjective + that clause S +be +Adj +THAT + Clause It’s +Adj +THAT + Clause Ex : I am happy that you had a new car I’m surprised that he didn’t come She was sure that she had left her keys on the counter.(Cô chắn để qn chìa khố quầy) It’s important that everybody should feel comfortable I Combine each pair of sentences into one 1) No one stopped those people cutting down the trees I was surprised 2) The oil will pollute the sea People are worried _ 3) My team has won the first award of the competition I am proud _ 4) They can help us to clean the beach They are certain 5) People can recover very quickly I am very happy _ 6) They didn’t tell us how to it I am disappointed _ 7) I am working hard My father is pleased 8) I broke your bicycle this morning I’m very sorry _ 9) You did not phone me I’m very disappointed 10) I could win the first prize I’m amazed II Wrie sentences in the correct order glad/ able / I / were / am/ to / come/ that / you ……………………………………………………………………… everybody/ important / feel / it’s / should / that / comfortable ……………………………………………………………………… she/ surprised / am / hasn’t/ I / that / phoned ……………………………………………………………………… we/ that/ never/ he were/ disappointed/ replied / our letter/ to ……………………………………………………………………… sorry/ I / in / a / I am/ behaved / such/ childish way / that ……………………………………………………………………… you / that/ worried/ that/ was/ I / back/ come/ wouldn’t 12 ……………………………………………………………………… we/ would/ the flight/ afraid/ were / you / miss/ that ……………………………………………………………………… amazed/ nobody/ hurt/ it / was/ that/ in / was/ the accident ……………………………………………………………………… to deny / hard/ it’s/ that/ of/ pollution/ the quality/ our lives / diminishes (giảm) ……………………………………………………………………… 10 annoyed / I / that / really / the party/ to/ been / I / was/ hadn’t/ invited ……………………………………………………………………… VI Comebine the following sentences using “that clause”, “If”, “because” he didn’t invited Molly to his party He is sorry now ……………………………………………………………………… There will be droughts and famine in Africal The earth’s climate gets warmer ……………………………………………………………………… She was sleepy She went to bed ……………………………………………………………………… Many animals will become extinct The rain forest is destroyed ……………………………………………………………………… You speak English so well I’m impressed ……………………………………………………………………… We can’t buy it We haven’t got enough money ……………………………………………………………………… They use electricity to catch fish They will kill other animals, too ……………………………………………………………………… In 100 years gas will be scarce and expensive It is probable ……………………………………………………………………… The world will end up like a second-hand junk-yard The pollution goes on ……………………………………………………………………… 10 The traffic was heavy We were late to the meeting ……………………………………………………………………… 13 ... cô đến thăm c) Since - Since he doesn’t like music, he never goes to the concert Vì anh khơng thích nhạc, anh khơng xem hoà nhạc Mệnh đề since as ln đứng trước mệnh đề b) So/ As Long As - As... doesn’t rain, we’ll go to the lake Unless it rains, we’ll go to the lake Câu điều kiện lúc tuân theo công thức trên, số trường hợp vế câu điều kiện khứ vế lại thời gian mệnh đề quy định Ví dụ: If she... fresh air 17 If I (be) ………… you, I wouldn’t that 18.He (go) ………………… swimming if he had free time 19 If the rice paddies are polluted, the rice plants (die) ………………… 20 If it ( rain)…………… this evening,