Đề kiểm tra một tiết số 2 môn Tiếng anh lớp 9

Baøi 2 :	CAÂU ÑIEÀU KIEÄN
(Conditional Sentence)
Moät caâu ñieàu kieän coù hai meänh ñeà : meänh ñeà chæ ñieàu kieän (töùc meänh ñeà phuï) coøn ñöôïc goïi laø meänh ñeà coù if (If-clause) vaø meänh ñeà chæ keát quaû coøn ñöôïc goïi laø meänh ñeà chính (main clause).
- If he works harder, he will succeed in his examination.
(if-clause) (main clause)
Chuùng ta cuõng coù theå ñaët meänh ñeà chính ôû ñaàu caâu :
- He will succeed in his examination if he works harder.
	Trong tieáng Anh coù 3 loaïi caâu ñieàu kieän chính :
* Type I : ÑIEÀU KIEÄN COÙ THEÅ XAÛY RA ÑÖÔÏC (probable condition)
1/ YÙ nghóa : Loaïi ñieàu kieän naøy duøng ñeå dieãn taû moät söï vieäc coù theå xaûy ra hoaëc khoâng theå xaûy ra ôû hieän taïi hoaëc töông lai; nhöng chuùng ta coù nhieàu hy voïng noù xaûy ra.
2/ Thì cuûa ñoäng töø :
 If- clause
 Main clause
 Simple present
 Simple future
 (shall / will + verb)
- If the rain stops, we shall go for a walk.
- He will come if you call him.
* Ngoaøi ra chuùng ta coøn coù theå duøng caùc khieám khuyeát ñoäng töø nhö : CAN, MUST, MAY  ñeå thay cho shall hoaëc will ôû meänh ñeà chính.
- If you ask me, I can help you.
- You must study harder if you want to pass the coming exam.
* Meänh ñeà chính coù theå laø moät meänh leänh hoaëc thænh caàu :
- Come to me if you need help.
- If you have time, perfect your English.
* Type II : ÑIEÀU KIEÄN KHOÂNG COÙ THAÄT ÔÛ HIEÄN TAÏI. (Present- unreal Con)
	1/ YÙ nghóa : Loaïi ñieàu kieän naøy dieãn taû moät ñieàu kieän khoù coù theå xaûy ra hay moät söï vieäc khoâng thöïc hieän ñöôïc ôû hieän taïi hoaëc töông lai.
	2/ Thì cuûa ñoäng töø :
 If-clause
 Main clause
 Past Subjunctive
 (Quaù khöù giaû ñònh)
 Present Conditional
 ( Should / would + verb)
- If I had a lot of free time, I would go swimming.
(= I haven’t got free time, so I won’t go swimming)
- If Tom were here, he would know the answer.
(= Tom isn’t here, so he doesn’t know the answer.)
- I would call him if I knew his number.
(= I don’t know his number, so I won’t call him)
* Quaù khöù giaû ñònh laø hình thöùc quaù khöù ñôn cuûa caùc ñoäng töø ngoaïi tröø ñoäng töø “to be” chæ coù moät hình thöùc WERE cho taát caû caùc ngoâi.
* COULD, MIGHT coù theå ñöôïc duøng ñeå thay theá cho should hay would.
- If John worked hard, he could pass his exam.
* Type III : ÑIEÀU KIEÄN KHOÂNG COÙ THAÄT ÔÛ QUAÙ KHÖÙ. (Past-unreal Condition)
1/ YÙ nghóa : Loaïi ñieàu kieän naøy duøng ñeå dieãn taû moät ñieàu kieän hoaøn toaøn khoâng thöïc hieän ñöôïc hoaëc khoâng xaûy ra trong quaù khöù.
2/ Thì cuûa ñoäng töø :
If-clause
Main clause
Past perfect
Perfect Conditional
(Should/ would have + past participle)
- If he had had a lot of money, he would have bought a bigger house.
- I would have taken you to the movie if you had come to see me yesterday.
* “If” coù theå ñöôïc löôïc boû ñi neáu coù söï ñaûo ngöõ (thöôøng ñöôïc duøng trong hình thöùc nhaán maïnh).
- Were I rich, I would help you.
(= If I were rich, I would help you.)
- Had he known the truth, he would have been very angry.
(= If he had known the truth, he would have been very angry)
* Ngoaøi lieân töø “if” ra, caâu ñieàu kieän coøn ñöôïc baét ñaàu baèng caùc lieân töø khaùc nhö : suppose, supposing that (giaû söû nhö), on the condition that (vôùi ñieàu kieän laø), as long as, so long as, provided that (mieãn laø), in case (trong tröôøng hôïp) , even if ( ngay cho laø)... 
- As long as you return the book by Saturday, I will lend it to you with pleasure.
* Hai tieáng coù nghóa phuû ñònh : unless (tröø phi), but for (neáu khoâng)
- He won’t come unless you call him.
(= He won’t come if you don’t call him.)
- But for the storm, he would have arrived much earlier.
EXERCISE I : Rewrite the sentences , using conditional clauses.
	1/ I (do) if I (have) time.
- I will do it if I have time. (type 1)
- I would do it if I had time. (type 2)
- I would have done it if I had had time. (type 3)
	2/ If she (not try), she (not succeed).
- ____________________________________________________
- ____________________________________________________
- ____________________________________________________
	3/ If I (see) her, I (tell) her.
- ____________________________________________________
- ____________________________________________________
- ____________________________________________________
	4/ (You do) it if I (ask) you ?
- ____________________________________________________
- ____________________________________________________
- ____________________________________________________
	5/ If I (be) ill, I (stay) at home.
- ____________________________________________________
- ____________________________________________________
- ____________________________________________________
	6/ What (you do) if the bus (not come).
- ____________________________________________________
- ____________________________________________________
- ____________________________________________________
	7/ I (be) sorry if she (leave).
- ____________________________________________________
- ____________________________________________________
- ____________________________________________________
	8/ I (not stay) in this job if I (can find) another one.
- ____________________________________________________
- ____________________________________________________
- ____________________________________________________
	9/ They (get) wet if it (rain).
- ____________________________________________________
- ____________________________________________________
- ____________________________________________________
	10/ It (not bite) you unless you (move)
- ____________________________________________________
- ____________________________________________________
- ____________________________________________________
	11/ We (go) out unless it (stop) snowing.
- ____________________________________________________
- ____________________________________________________
- ____________________________________________________
EXERCISE II: Put the verbs in brackets in correct tenses.
	1/ If I (have) ________ a typewriter, I could type it myself.
	2/ If I had known that you were in hospital , I (visit) ________ you.
	3/ You could make much progress if you (attend) ________ class regularly.
	4/ If I (know) ________ his telephone number, I would give it to you.
	5/ If you (arrive) ________ ten minutes earlier, you would have got a seat.
	6/ If he (study) ________ harder, he can pass an exam.
	7/ She may be late if she (not hurry) ________.
	8/ Tell him to ring me if you (see) ________ him.
	9/ If you (speak) ________ more slowly,he might have understood you.
	10/ What (you do) ________ if you got fat ?
Exercise III : Supply the correct verb tense.
	1/ If you are kind to me, I (be) _______ good to you.
	2/ He (come) _______ if you waited.
	3/ If you (ring) _______ the bell, the servant would come.
	4/ If I had known that the baby was hungry, I (feed) _______ him.
	5/ If it (not, rain) _______ a lot, the rice crop wouln’t grow.
	6/ If today (be) _______ Sunday, we wouldn’t have to work.
	7/ If she had had your address, she (write) _______ to you.
	8/ We lost the match. If you (play) _______ for us, we (win) _______.
	9/ So long as you return the book by Saturday, I (lend) _______ it to you with pleasure.
	10/ They would not be paid unless they (do) _______ their work well.
	11/ Provided he (not, be) _______ interrupted, he can finish the work on time.
	12/ If it (be) _______ convenient, let’s meet at three o’clock.
	13/ If I became very rich, I (build ) _______ a hospital for the poor.
	14/ If he (give) _______ up smoking, as his doctor orders, he will be soon well again.
	15/ He (not, have) _______ an accident if he had not been driving so fast.
	16/ If she (write) _______ more carefully, she might not have made too many mistakes.
	17/ You would have to stay in bed unless your health (improve) _______.
	18/ Did she have more practice, she (speak) _______ English better.
	19/ Had I known that she was sick, I (visit) _______ her.
	20/ Supposing World War III (happen) ________, human civilization (be) _______ destroyed.
EXERCISE IV : Put “if” or “unless” into these spaces.
	1/ ________ we hurry, we’ll miss the bus.
	2/ Will you phone me ________ you come to England ?
	3/ ________ you see Jane, ask her to contact me.
	4/ You’ll never pass your exam ________ you don’t work harder.
	5/ Liverpool won’t win ________ they begin playing better.
	6/ ________ you forget our address, you can find it in the phone book.
	7/ You won’t pass your driving test ________ you drive more carefully.
	8/ He’ll be ill ________ he doesn’t stop worrying so much.
	9/ We’ll go to the beach tomorrow ________ it’s raining.
	10/ We’ll never get there on time ________ the train leaves soon.
EXERCISE V : Use “if” in place of “unless”
	1/ We won’t go out unless it stops raining.
	-____________________________________________________________
2/ I will call the police unless you give back my bicycle.
-____________________________________________________________
	3/ You wouldn’t be able to do this exercise unless your English were good.
-____________________________________________________________
	4/ Unless we had enough rain, we couldn’t grow rice.
-____________________________________________________________
	5/ The fishermen couldn’t have caught a lot of fish unless they had had good nets.
-____________________________________________________________
	6/ I wouldn’t buy it unless I could afford it.
-____________________________________________________________
	7/ I would refuse to go unless they paid my expenses.
-____________________________________________________________
	8/ I don’t agree with his economic policy. I wouldn’t vote for him unless he changed it.
-____________________________________________________________
	9/ He wouldn’t have written unless he had heard news.
-____________________________________________________________
	10/ You might not have a terrible toothache unless you went to the dentist regularly.
-____________________________________________________________
EXERCISE VI : The following sentences are first, second or third conditional. Put the verbs in brackets into the appropriate form.
	1/ We wanted to go out yesterday but the weather was terrible. If it (be)  had been  a nice day, we (go)  would have gone  for a picnic.
	2/ Why don’t you explain everything to him ? If you (not tell) _______ him the truth, I’m sure you (regret) _______ it one day.
	3/ Mary was here not long ago. If you (come round) _______ earlier, you (see) ______ her.
	4/ Apparently, the ferry company are planning to close the port in this town. If that (happen) _______, the town (lose) _______ a great deal of money.
	5/ I (help) _______ you with it if I (have) _______ more time but I’m afraid I haven’t got any spare time at all at the moment.
	6/ The government is expecting to win the next election, but if it (lose) _______, the Prime Minister (resign) _______ from politics.
	7/ I am so glad that you took me to your friend’s party. If we (not go) _______ there, I (never meet) _______ Kate Winset.
	8/ It’s ridiculous that trains are so expensive. If fares (be) _______ cheaper, I’m sure more people (use) _______ the train and leave their cars at home.
	9/ If she (get) _______ that job she’s applied for, she (be) _______ delighted. And I think she’s got a good chance of getting it.
	10/ Fortunately the explosion took place at night when the streets were empty. It (be) _______ a disaster if it (happen) _______ in the middle of the day.
	11/ The talks between the two leaders keep breaking down. If they (break down) _______ again, it is possible that there (be) _______ a war between the two countries.
	12/ If Alison (know) _______ anything about car mechanics, I’m sure she (help) _______ us fix the car, but I think she knows even less than we do.
	13/ They’ve been married for twenty years now but I don’t think she (marry) _______ him if she (know) _______ what a selfish man he was.
	14/ Children spend too much time watching television and playing computer games. I’m sure they (be) _______ happier if they (spend) _______ more time playing outside.
	15/ James has everything he wants but he’s always moaning. I’m sure that if I (have) _______ so much money, I (not moan) _______ all the time.
EXERCISE VII : Rewrite the following sentences using If clauses.
Model :
a/ My brother will have enough money. He will buy a bicycle.
® If my brother has enough money, he will buy a bicycle.
b/ She can’t speak English. She won’t apply for the job.
® If she could speak English she would apply for the job.
c/ He wasn’t here. He didn’t have a lot of fun.
® If he had been here, he would have had a lot of fun.
1/ She can’t be employed because she doesn’t have a college degree.
® ______________________________________________
2/ I don’t have enough money. I can’t go on a long holiday this year.
® ______________________________________________
3/ He is very slow, so we won’t give his such an important task.
® ______________________________________________
4/ I’ll have to work this Sunday, so I shan’t join your picnic.
® ______________________________________________
5/ He works overtime to get more money because he has to pay father’s debt.
® ______________________________________________
6/ City life isn’t enjoyable because everything is very expensive.
® ______________________________________________
7/ There are industrial factories inside the city, that’s why pollution can’t be reduced.
® ______________________________________________
8/ Everything on the earth grows well because the sun always shines.
® ______________________________________________
9/ There is a grammar error in this English composition, that’s why it can’t get a full mark.
® ______________________________________________
10/ I don’t have a typewriter. I can’t type it myself.
® ______________________________________________
11/ I’ll buy a new hat. I’ll give it to you.
® ______________________________________________
12/ You’ll ask the teacher. He’ll explain the lesson to you.
® ______________________________________________
13/ Mary doesn’t see the sight. She can’t tell you about that.
® ______________________________________________
14/ I don’t know his address. I can’t give it to you.
® ______________________________________________
15/ He didn’t look a lot better because he didn’t shave more often.
® ______________________________________________
16/ She was ill. She didn’t go to work.
® ______________________________________________
17/ It was raining all morning. We didn’t go out.
® ______________________________________________
18/ He was tired. He made a mistake.
® ______________________________________________
19/ Peter didn’t write to me. I didn’t write to him.
® ______________________________________________
20/ You didn’t ask Alice. She didn’t tell you the truth.
® ______________________________________________