If I had passed my exam last year, my parents would have been very happy.. If I pass my exam last year, my parents would be very happy.[r]
(1)BS 10 : CONDITIONAL SENTENCES Presentation
Type IF-CLAUSE MAIN CLAUSE USAGE
1 Simple present S + V ( s /es )
Simple future
S + will + bare inf - dùng để diển tả việc xảy tương lai
2 Past subjunctive S + V ( ed/ 2) Be were
Present conditional would
should
S + could + bare inf might
- dùng để diển tả điều kiện thực tương lai Past perfect
S +had + Vpp
Present perfect conditional should
S + would have +Vpp could
might
- dùng để diển tả điều kiện thực khứ
Note:
Trong điều kiện loại , thay dùng "simple future" ( will + bare inf ) , mệnh đề chính, ta dùng "can / may / must + bare inf hay " mệnh lệnh cách " ( bắt đầu động từ nguyên mẫu không : "to'' hay " don't inf "
Ex : If you try hard , you can pass the exam If you see Mary , give her this book Các ví dụ minh họa :
Ex1: If it rains , I 'll stay at home
Ex2: If I were you , I would tell him the truth
Ex3: If Tom had seen the film , he would have enjoyed it
II Practice:
I Complete the sentences with the verbs in parentheses : If she ( read ) in bad light , she 'll ruin her eyes
2 If I ( know ) that there was a test yesterday , I ( study )
3 Please ( paint ) the chair before you leave if you have enough time I could understand the French teacher if he ( speak ) more slowly If I had asked you , you ( accept ) ?
II Rewrite the following sentences , using conditional sentences David failed the exam because he was so lazy
2 Mary isn't home right now We can't visit her
3 I didn't meet John yesterday I didn't tell him what happened They don't understand the problem They won't find out the solution People drive very fast , so there are so many accidents
III Find out the mistakes in the following sentences and correct them Janet will be disappointed if she 'll fail the exam
2 If Peter had been more carefully , he wouldn't break the camera If I were you , I won't lend John any money
4 She 'd be happier if she doesn't have to work so hard If the bus doesn't come soon , I would walk home IV Complete the following sentences :
(2)5 She could go out if V Match a line in A with a line in B
A B
1 If Tony rings,
2 If I'm not back by 8.00, if he were in
4 If I had more time
5 If you had spoke more slowly
A He might have understood B Don't wait for me
C Tell him I'm at Ann's
D I might an everning class on photography
E He would answer the phone
HOMEWORK :
I Complete the following sentences with the correct form of the verbs in parentheses
1 Tom is busy now If he ( not / be ) busy , he (help ) us We could tell you more about it if we ( have ) more time If she leaves now , she ( not /be ) late
4 If I hadn't woken up late this morning , I (not / miss ) my bus
5 It 's a pity you didn't take the trip last week If you ( take ) the trip you ( see ) a lot of beautiful sigh
II Rewrite the following sentences ,beginning the given words If she doesn't rest , she will be ill
Unless Susan felt sick because she ate four cream cakes If
3 We didn't go on holiday because we didn't have enough money If we
4 Without this treatment , the patient would die If he
5 I don't have enough time so I can't finish that work If We didn't go by air only because we hadn't enough money If we She 'll take us to the circus She 'll get some tickets If she
8 It rained all the time perhaps that's why he didn't enjoy his visit If it
9 They don't clean the window , so the rooms look rather dark If they
10 People drive very fast That 's why there are so many accidents If
(3)GOOD LUCK TO YOU
PERIOD 9: EXERCISES ON CONDITIONAL SENTENCES
I. Choose the best answer
1 They angry if you didn’t visit them
a would be b should be c would d should What would you if you a million dollars?
a win b won c had won d will win
3 What will happen if the air ?
a was polluted b.be polluted c is polluted d has polluted He wouldn’t have had an accident if he more carefully
a drives b drove c had driven d was driving If you better last night, you wouldn’t have been so tired
a sleep b had slept c was sleeping d slept If I had noticed him, I hello to him
a say b said c would say d would have said If he with us now, he the beauty of the nature of the National Park
a is / can enjoy b was/ will enjoy c had/would enjoyed d were/ could enjoy Would you mind if I in the room?
a smoke b smoked c would smoke d had smoked You can’t get higher result
a if you work hard b unless you work harder
c if you worker harder d unless you will not work harder 10 Can you imagine what if everyone
a will happen / can fly b would happen / could fly c had happen / could have flown d happened / will have flown 11 for work early, he could have caught the bus
a If Peter left b Peter left c had Peter left d.If had Peter left 12 Jane in such a trouble if she had been more carefully when typing the contract
a won’t be b wouldn’t be c won’t have been d wouldn’t have been 13 If I .his address, I would give it to you
a know b would known c knew d had known 14 Tom got to the station in time to catch his train
a If he had missed it, he would have been late for his interview b If he missed it, he would have been late for his interview c If he had missed it, he would be late for his interview d If he had missed it, he would had be late for his interview 15 He stepped on the mine, and it exploded
a If he doesn’t step on the mine , it doesn’t explode b If he doesn’t step on the mine , it won’t explode c If he didn’t step on the mine , it wouldn’t explode
d If he hadn’t stepped on the mine , it wouldn’t have exploded
16 It may rain this afternoon.I hope it doesn’t because I don’t want the match to be cancelled
a If it rains, the match is cancelled b If it rains, the match will be cancelled c If it rained , the match would be cancelled
d If it had rained, the match would have been cancelled
(4)a If I know Philosophy, I can answer your question b If I know Philosophy, I will be answer your question
c If I knew Philosophy, I would be able to answer your question
d If I had known Philosophy, I would have been to answer your question 18 I/ if/ be/ ill/ not/ absent/ school/ from/ be/ yesterday/
a If I hadn’t been ill, I wouldn’t be absent from school yesterday b If I wasn’t ill, I wouldn’t have been absent from school yesterday c If I have been ill, I wouldn’t have been absent from school yesterday d If I hadn’t been ill, I wouldn’t have been absent from school yesterday
19 If / parents / my / exam / my / pass / I / be / very / happy / last year a If I had passed my exam last year, my parents would have been very happy b If I pass my exam last year, my parents would be very happy
c If I had passed my exam last year, my parents will be very happy d If I will pass my exam , my parents would be very happy
20 Peter cannot go out for lunch because his car is broken a In spite of his broken car, Peter will go out for lunch b If his car is not broken, Peter will go out for lunch c If his car were not broken, Peter could go out for lunch d.Unless his car were not broken, Peter could go out for lunch
II Find out the mistakes in the following sentences and correct them Janet will be disappointed if she 'll fail the exam
2 If Peter had been more careful , he wouldn't break the camera If I were you , I won't lend John any money
4 She 'd be happier if she doesn't have to work so hard If the bus doesn't come soon , I would walk home If Tom had been here yesterday , he would advise us If I had had a dictionary now, I could look the word up I could go to class if I hadn’t been sick yesterday If it didn’t rain, we would have finished the game 10 Don’t give me a ring if you want a chat