KHĨA LUYỆN THI TOEIC – Cơ VŨ MAI PHƯƠNG NGỮ PHÁP TIẾNG ANH TÓM LƯỢC – BÀI 20 CONDITIONAL SENTENCES & WISH CLAUSES Types IF CLAUSE MAIN CLAUSE 1A IF + S + V1/S/ES + , S + V1/S/ES + ( diễn tả chân lí) 1B IF + S + V1/S/ES + , S + WILL/CAN,MAY,MUST,SHOULD,OUGHT TO + V0 + IF + S + WERE / V2/ED + , S + WOULD/ COULD/MIGHT + V0 + WERE+ S + to inf… (đảo ngữ) IF + S + HAD V3/ED + , S + WOULD/ COULD/MIGHT + HAVE + V3 /ED + HAD + S + V3/ED + ,(đảo ngữ) Notes: 1/ If + S + V(simple present) , Imperative (mệnh lệnh) Ex:If you go to the post office, please mail this letter for me 2/ Imperative (mệnh lệnh) + or + S + V(simple future) Ex: Prepare the lesson carefully or you will get a bad mark = If you don't prepare the lesson carefully, you will get a bad mark 3/ If + S + V(simple present) , S + V(simple present) → diễn tả thật hiển nhiên (If=When=Whenever) Ex: If you mix blue and yellow, you get green If not = Unless ( không,trừ phi) 1) IF + Mệnh đề khẳng định = UNLESS + Mệnh đề phủ định 2) IF + Mệnh đề phủ định = UNLESS + Mệnh đề khẳng định Ex: If you don't hurry, you'll be late for school => Unless you hurry, you'll be late for school As long as/ So long as/ Provided (that)/ Providing (that)/ On condition that + Clause ( Miễn là/ với điều kiện) Ex: As long as you drive carefully, you can use my car = If you drive carefully, you can use my car 6/ The variation of the If-clause: (Biến thể mệnh đề If clause II) If + S + V(past continuous), S + would/ could/ might + bare inf Eg: If you were driving from London to Glasgow, which way would you go? 7/ The variation of the main clause: (Biến thể mệnh đề chính) If + S + V(past subjunctive/ simple past), S + would/ could/ might + be + V-ing Eg: I am not on holiday; I am not touring Italy → If I were / was on holiday, I would be touring Italy http://moon.vn - hotline: 04.32.99.98.98 KHÓA LUYỆN THI TOEIC – Cô VŨ MAI PHƯƠNG 8/ The variation of the main clause: (Biến thể mệnh đề chính) If + S + had + PP , S + would/ could/ might + have + been + V-ing Eg: Mr.Pike's son was there; that's why I wasn't sitting in front →If Mr.Pike's son hadn't been there, I would have been sitting in front 9/ The variation of the If-clause: (Biến thể mệnh đề If clause III) If + S + had + been + V-ing , S + would/ could/ might + have + PP Eg: I was wearing a seat belt, so I didn't have a bad accident => If I hadn't been wearing a seat belt, I would have had a bad accident 10/ Câu điều kiện pha trộn: Loại III + Loại II Eg: He isn't a rich man now because he didn't take my advice →If he had taken my advice, he would be a rich man now EXERCISES Unless he………………… more, he won’t get much commission A) sell B) sells C) sold D) selling If I you $10, when ……………………… me? A) lend/ would you repay B) lend/ will you repay C) lent/ will you repay D) lend/ would you have repaid If he……………… hard today, a holiday tomorrow? A) worked/ can he have B) work/ he can have C) works/ can he have D) had worked/ he can have Ice………………… into water unless you heat it A) don’t turn B) doesn’t turn C) would turn D) would have turned If you………………… this one, I’ll bring you another A) doesn’t like B) will not like C) don’t like D) didn’t like Unless you more careful, you………………… an accident A) are/ will have B) were/ will have C) had been/ would have D) be/ have If I tell you a secret, ……………… you promise not to tell it to anyone else? A) would B) did C) will D) have If you…………………… what I say, ask your mother A) not believe B) not to believe C) didn’t believe D) don’t believe Unless I a quiet room, I………………not be able to any work A) had/ will B) have/ will C) has/ would have D) had had/ would have 10 She not open the door unless she………………… who it was A) will/ knew B) will/ knows C) would/ knew D) does/ knows 11 If I a typewriter now, I……………….……… this contract by myself A) have/ would type B) have/ will type C) had/ would type D) had had/ would have typed 12 Unless I…………….…… his address, I’d give it to you A) didn’t know/ will give B) don’t know/ would have given C) knew/ would give D) know/ will give 13 He………………………… a lot better if he more often years back A) would have looked/ shaved B) will look/ shaved C) looks/ shave D) would have looked/ had shaved http://moon.vn - hotline: 04.32.99.98.98 KHÓA LUYỆN THI TOEIC – Cô VŨ MAI PHƯƠNG 14 If you……………… for lower stakes, you so much A) plays/ would lose B) play/ will have been losing C) played/ won’t lose D) had played/ wouldn’t have lost 15 Unless he worked more slowly, he……………… so many mistakes A) would make B) will make C) wouldn’t make D) won’t make Bài tập thêm có đáp án: 16 I wouldn’t drink that wine if I……………… you A) were B) am C) had been 17 More tourists …………… to this country unless it……… a better climate A) would come/ had B) wouldn’t come/ had D) be C) wouldn’t come/ didn’t have D) would come/ didn’t have 18 If you …………… your car into the river, you………………… able to get out A) drive/ weren’t B) drove/ wouldn’t be C) drove/ will be D) drive/ wouldn’t be 19 If you………………….to a union, you couldn’t get a job A) don’t belong B) are belonging C) had belong D) didn’t belong 20 What ………………… if you found a burglar in your house? A) you B) you C) would you D) you would 21 He might get fat unless he………………… smoking A) kept on B) stopped C) accepted D) addicted 22 If you…………………… someone drowning what would you do? A) see B) seen C) had seen D) saw 23 She……………… ruined if I bought her everything she asked for A) were B) will be C) would have been D) would be 24 I …………………… a job easily if I……… …… a degree A) could get/ have B) can get/ had C) could get/ had D) can get/ had had 25 The whole machine ………………… into pieces if you……… that screw quickly A) felt/ remove B) will fall/ removed C) would fall/ removed D) would fall/ remove 26 I’d go and see him more often if he……………… on a bus route A) lives B) lived C) had lived D) living 27 What would you have done if the lift……… struck between two floors at that time A) had got B) got C) gets D) getting 28 If you knew you had only six weeks to live, how ……………… such a short span? A) did you spend B) will you spend C) would you spend D) would you have spend 29 I’d climb over the wall if there………… so much broken glass on top of it A) were B) had been C) are D) is 30 If I had known that you were in hospital, I…………………… you A) will visit B) would have visited C) visit D) don’t visit 31 You would have seen my garden at its best if you……………… here last week A) were B) are C) had been D) be http://moon.vn - hotline: 04.32.99.98.98 KHÓA LUYỆN THI TOEIC – Cô VŨ MAI PHƯƠNG 32 I shouldn’t have believed it if I…………………… it with my own eyes A) had seen B) saw C) hadn’t seen D) didn’t see 33 If I……………… a map, I …………………………… the way to the Post Office A) had had/ would have lost B) had had/ wouldn’t have lost C) had/ won’t lose D) have/ wouldn’t have 34 If I………………… that you were coming, I’d have baked a cake A) know B) knew C) had known 35 Had you left that wasp alone, it………………… you A) would have stung B) wouldn’t sting C) wouldn’t have stung D) would sting D) didn’t know Had you left = If you had left Đây trường hợp đảo ngữ em 36 Unless I ……………that the traffic lights were red, I…………… ………… A) had realized/ would have stopped B) had realized/ wouldn’t have stopped C) realized/ would stop D) realize/ will not stop 37 If you ……… me that he had never paid his debts, I………………… him the money A) had told/ wouldn’t have lent B) had told/ wouldn’t have been lent C) tell/ will not lend D) told/ would lend 38 If you………………, he wouldn’t have known that we were there A) didn’t sneeze B) won’t sneezed C) doesn’t sneeze D) hadn’t sneezed 39 If you…… some mustard in the sandwiches, they would have tasted better A) put B) puts C) had put D) putting 40 The hens……………………… into the house if you had shut the door A) couldn’t get B) couldn’t have got C) will not get D) doesn’t get 41 Had he known that the river was dangerous, he…… to swim across it A) would have tried B) would try C) will not try D) wouldn’t have tried 42 …………… ……… more slowly, he might have understood you A) Had you spoken B) Did you speak C) If you speak D) If you spoke 43 If he had known the whole story, he……………… so angry A) would have been B) wouldn’t have been C) wouldn’t be D) would be 44 If you hadn’t been in such a hurry, you…………… sugar into the sauce instead of salt A) will not put B) would put C) wouldn’t have put D) put 45 If I…………… ready when he called, he would have taken me with him A) were B) be C) am D) had been 46 Unless you… at the engine for a moment, you would have seen what was missing A) hadn’t looked B) didn’t look C) look D) looked 47 She…………………… or she may be late for the morning class A) hurries B) hurried C) doesn’t hurry D) didn’t hurry 48 If I……………………… again, I think that I would have won in the game A) tried B) hadn’t tried C) had tried D) didn’t try http://moon.vn - hotline: 04.32.99.98.98 KHÓA LUYỆN THI TOEIC – Cô VŨ MAI PHƯƠNG 49 Tell him to ring me at 6:00 p.m if you…………….……… him A) saw B) see C) sees D) had seen 50 Water……………………… downhill if there gravity A) will run/ is not B) wouldn’t run/ weren’t C) wouldn’t run/ were D) will run/ had been http://moon.vn - hotline: 04.32.99.98.98 ... had a bad accident 10/ Câu điều kiện pha trộn: Loại III + Loại II Eg: He isn't a rich man now because he didn't take my advice →If he had taken my advice, he would be a rich man now EXERCISES