Unit 9: UNDERSEA WORLD

Cao Viết Cường

Exercise 1: Put the verbs in the brackets in the correct tense
1. If I had a typewriter, I .........................(type) it myself.
2. If I .........................(know) his address, I'd give it to you.
3 .He .........................(look) a lot better if he shaved more often.
4. If you .........................(play) for lower stakes, you wouldn't lose so much.
5. If he worked more slowly, he .........................(not make) so many mistakes.
6. I shouldn't drink that wine if I .........................(be) you.
7. More tourists would come to this country if it .........................(have) a better
climate.
8. If I were sent to prison, you .........................(visit) me?
9. If someone .........................(give) you a helicopter, what would you do with
it?
10. I .........................(buy) shares in that company if I had some money.
Exercise 2: Using the given information, make conditional sentences with IF
1. They are poor, so they can’t help us.
→ If they ...................................................................................................
2. He doesn’t do his homework. He is always punished.
→ If he .....................................................................................................

3. He doesn’t have enough time. He can’t help me.
→ If he ......................................................................................................
4. She doesn’t take any exercise, so she is overweight.
→ If she ....................................................................................................
5. He doesn’t have a bicycle, so he always goes to class late.
→ He wouldn’t ...........................................................................................
6. I am bad at English, so I can’t do homework.
→ I could ...................................................................................................
7. He doesn’t practise speaking French, so he doesn’t speak it fluently.
→ If he .......................................................................................................
8. The meeting can be cancelled because it snows heavily.
→ If it .....................................................................................................
9. We don’t go because it will rain.
→ If it ........................................................................................................
10. John is fat because he eats so many chips.
→ If John ..................................................................................................

Phan Thành Chung
2 tháng 5 2020 lúc 21:25

Ex 1:

1) would type 2) knew 3) would look 4) played 5) wouldn't make

6) were 7) had 8) Would you visit 9) gave 10) would buy

Ex 2:

1) If they weren't poor, they could help us.

2) If he did his homework, he wouldn't be punished.

3) If he had enough time, he could help me.

4) If she took exercises, she wouldn't be overweight.

5) He wouldn't go to class late if he had a bicycle.

6) I could do my homework if I weren't bad at English.

7) If he practised speaking French, he would speak it fluently.

8) If it didn't snow heavily, the meeting wouldn't be cancelled.

9) If it isn't rain, we will go.

10) If John didn't eat so many chips, he wouldn't be fat.

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Cao Viết Cường

Exercise 1: Put the verbs in the brackets in the correct tense
1. If I had a typewriter, I .........................(type) it myself.
2. If I .........................(know) his address, I'd give it to you.
3 .He .........................(look) a lot better if he shaved more often.
4. If you .........................(play) for lower stakes, you wouldn't lose so much.
5. If he worked more slowly, he .........................(not make) so many mistakes.
6. I shouldn't drink that wine if I .........................(be) you.
7. More tourists would come to this country if it .........................(have) a better
climate.
8. If I were sent to prison, you .........................(visit) me?
9. If someone .........................(give) you a helicopter, what would you do with
it?
10. I .........................(buy) shares in that company if I had some money.
Exercise 2: Using the given information, make conditional sentences with IF
1. They are poor, so they can’t help us.
→ If they ...................................................................................................
2. He doesn’t do his homework. He is always punished.
→ If he .....................................................................................................

3. He doesn’t have enough time. He can’t help me.
→ If he ......................................................................................................
4. She doesn’t take any exercise, so she is overweight.
→ If she ....................................................................................................
5. He doesn’t have a bicycle, so he always goes to class late.
→ He wouldn’t ...........................................................................................
6. I am bad at English, so I can’t do homework.
→ I could ...................................................................................................
7. He doesn’t practise speaking French, so he doesn’t speak it fluently.
→ If he .......................................................................................................
8. The meeting can be cancelled because it snows heavily.
→ If it .....................................................................................................
9. We don’t go because it will rain.
→ If it ........................................................................................................
10. John is fat because he eats so many chips.
→ If John ..................................................................................................

Nguyễn Thắng

I/ CONDITIONAL- TYPE 1
1/ If we ( send)_____ an invitation, our friend (come)_____ to our party
2/ he ____ (not/ understand) you if you (whisper)___
3/ they (not/ survive)_____ in the desert if they (not/take) extra water with them
4/ if you (press)____CTRL +S, you (save)____ the file
5/ you (cross)___ the Channel if you (fly)___ from Paris to London
6/ fred (answer) ____ the phone if his wife (have)___ a bath
7/ if Claire (wear) ___ this dress at the party, our guests (not/stay)____ any longer
8. if I (touch)____this snake, my girlfriend (not/scream)____
9. she (forget)____to pick you if you (not/phone)____ her
10. i (remember) ____you if you (give)____me a photo

II/ Conditional TYPE 2
1. If I (have)____ a typerwriter, I (type)____ it myself
2. if I (know) ____the news, I (tell) ____you
3. you (make)____ much progress if you (attend)____ class regularly
4. if i (know) ____ his telephone number, I (give) ____ it to you
5. if you (arrive) ____ten minutes earlier, you (have)____ a seat
6/ if he (study) ____harder, he (pass) ____an exam
7. she (be)____ late if she (not hurry)____
8. I (tell) ____him to ring you if I (see) ____him
9. if you (speak)____ more slowly, he (understand)____ you
10. what (you do) ____ if you (get)____ fat?
III CONDITIONAL TYPE 3
1. if i (know)____that you couldn't eat octopus, I (not buy)____ it
2. I (bring)____you some beer if I (know)____ that you were thirsty
3. if you (touch)____ that electric cable, you (be) ____electrocuted
4. if the story (not/be) ____true, the newspaper(not/ print)____ it
5. If I (have) ____the same problem you had as a child, I (not/ succed ) v in life as well as you have
6. if i (find)____ out this way earlier, I (save)____ myself a lot of time and trouble over the years

IV/ PUT THE VERBS IN THE CORRECT FORM
1.IF it had not rained, we (go)____ camping
2. if he (speak)____more slowly, i could have understood him
3.what____ you (do)____ if you were a monkey
4. if he had listened carefully, he (perform)____ well in his examination
5. if I find your book, I (give)____it to you
6. if you came with us, you (have)____a good time
7. if i (not/miss)____the bus, I could have come early
8. if i took a trip this summer, I (go) ____to dalat
9. my dog always barks if he (hear)____ anything unusual
10. if we had had enough money, we ( buy)____ that house
11. if the phone (ring)____ , can you answer it
12. if it rains this evening, i (not/go) ____out

Nguyễn Thắng

REWRITE THE FOLLOWING SENTENCES USING IF-> UNLESS
TYPE1
1. If he doesn't hurry, he will be late for school
-> unless
2. unless it stops raining, we won't go out
-> if
3. you will get success if you are patient
- unless
4. those flowers will die if nobody waters them
- unless
5. no one can help him if he doesn't tell the truth
- unless
6. you will catch a cold unless you keep your feet dry
- if
7. if i don't catch the plane, i will not be home by five
- unless
8. if you don't apologize, i will never speak to you again
-unless
9. unless he gives me his number, i won't phone him
- if
10. he cannot do that exercise if he doesn't learn his lessons carefully
-unless

TYPE 2
1. unless the studied harder, he would fail the final exam
- if
2. unless the drank alcohol, he would pass the contest
- if
3. unless he phoned immediately, he wouldn't meet Mary
-if
4/ if we didn't have a calculator, we couldn't work his more quickly
-unless
5. if i weren't weak, i could walk
- unless
6. if you weren't slow now, you could uiwn the race
- unless
7. if you didn't speak very quickly, the students could hear you well
- unless
8. if tom didn't invite me, i wouldn't go to the party
- unless
9. if they didn;t know his number now, they wouldn't give it to me
- unless
10. unless he were careful, he would have serious accident
- if

TYPE3
1. if he hadn;t been too lazy, he wouldn't have failed the exam
- unless
2. unless yesterday had been a nice day, we wouldn;t have gone camping
-if
3. if you hadn't driven carefully, you would have had a serious accident
- unless
4. if the bus hadn't been crowded, he wouldn't have walked to the office
-unless
5. unless you had studied hard, you wouldn't have walked to the office
- if
6. unless you had helped me, i wouldn't have finished our homework
- if
7. unless the meeting were so long they wouldn't feel tired
- if
8. if he weren't too lazy, he would pass the exam
- unless

Phương Vy

Because you speak English unnaturally, they do not understand you.

………………………………………………………………………………………………………

We didn’t know your phone number, so we could not contact you.

………………………………………………………………………………………………………

Because Simon doesn’t live near his mother, he can’t visit her often.

………………………………………………………………………………………………………

She didn’t hurry, so she missed the train.

………………………………………………………………………………………………………

John is fat because he eats so many chips.

…………………………………………………………………………………………………………

Bill never does anything if you don’t tell him what to do.

Unless………………………………………………………………………………………………

They don’t have enough time so they cannot do me a favour.

………………………………………………………………………………………………………

I must leave now, or I’ll miss the flight.

………………………………………………………………………………………………………

Hurry up, or we will be late for the exam.

………………………………………………………………………………………………………

Peter gets bad marks because he doesn’t prepare his lessons well

………………………………………………………………………………………………………

He doesn’t apply for the job because he doesn’t have enough qualifications.

………………………………………………………………………………………………………

We can’t buy this car because it is very expensive.

………………………………………………………………………………………………………

Unless he phones her immediately, he won’t get any information

If ……………………………………………………………………………………………………

They don’t find out the remedy. The patient will die.

………………………………………………………………………………………………………

Susan felt sick because she ate 4 cream cakes.

………………………………………………………………………………………………………

If he hadn’t wasted too much time, he wouldn’t have failed in his examination.

Unless………………………………………………………………………………………………

Rita is exhausted today because she didn’t get any sleep last night.

………………………………………………………………………………………………………

The flats are not clearly numbered, so it is very difficult to find anyone.

………………………………………………………………………………………………………

Exercise 3: Choose the best answer to complete these following sentences.

1. They _____________ angry if you didn’t visit them.

A. would be B. should be C. would D. should

2. What would you do 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

4. He wouldn’t have had an accident if he _____________ more carefully.

A. drives B. drove C. had driven D. was driving

5. If you _____________ better last night, you wouldn’t have been so tired.

A. sleep B. had slept C. was sleeping D. slept

6. If I had noticed him, I _____________ hello to him .

A. say B. said C. would say D. would have said

7. 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

8. Would you mind if I _____________ in the room?

A. smoke B. smoked C. would smoke D. had smoked

9. 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

17. Unfortunately, I don’t know Philosophy, so I can’t answer your question.

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.

Nguyễn Phương Hiểu Nghi

III. Mark the letter A, B, C or D to indicate the correct answer to each of the following questions.

1. He is a _______ biologist . He spends all his life studying sea plants and animals.

A. ocean B. marine C. botany D. sea

2. Sperm whale populations are at risk due to hunting.

A. in danger B. in fewness C. in extinction D .on the decreased

3. _______ is a chemical used for killing weeds.

A. Pesticide B. Herbicide C. Fertilizer D. Antibiotic

4. Some whales migrate into warm waters to bear their _______ .

A. youngs B. diets C. calves D. young whales

5. _______ is the variety of different types of plant and animal life in a particular region.

A. Herbicide B. Interaction C. Environment D. Biodiversity

6. Whales like to feed in the cold oceans where there is a lot of krill.

A. sea plants B. small fish C. tiny shellfish D. small animals

7. Some tiny organisms are _______ along by the currents.

A. carried B. taken C. flowed D. moved

8. These birds ______ to North Africa in winter.

A. settle B. go C. relocate D. migrate

9. Sperm whales are ______, which means they eat meat.

A. herbivores B. carnivores C. omnivores D. mammals

10. Linda has a bad cold. She ____________ out in such bad weather .

A. shouldn’t go B. should take C. should go D. shouldn’t take

11. I think he ______ home tonight because his mother was sick.

A. should ride to B. should stay C. shouldn’t stay D. shouldn’t go out

12. He always has difficulty getting up early. – He ______ up late .

A. should stay B. shouldn’t go C. should go D. shouldn’t stay

13. You _______ Mark . You know it’s a secret.

A. should tell B. shouldn’t tell C. couldn’t tell D. might tell

14. I think this job is suitable for you. You ______ for this job .

A. shouldn’t apply B. should apply C. should look D. shouldn’t look

15. Mr. Nam has a bad cough. He ______ smoking .

A. shouldn’t stop B. should continue D. should give up D. shouldn’t give up

16. Her salary is very low. She _______ another job .

A. should look after B. should look at C. should look in D. should look for

17. If I_______ his phone number, I would call him.

A. know B. knows C. knew D. known

18. If we don’t maintain this biodiversity, the undersea populations would be_______ stake.

A. on B. at C. with D. from

19. The sea bed _______ here to 5000 meters.

A. deep B. deepens C. deeper D. depth

20. She gave me a_______ look and said nothing.

A. mysteriously B. mystery C. mysteries D. mysterious

21. Mark the letter A, B, C, or D to indicate the word(s) CLOSEST in meaning to the underlined word.

Harmful insects must be eliminated to protect our crops.

A. got rid of B. protected C. raised D. cultivated

22. Mark the letter A, B, C, or D to indicate the word(s) OPPOSITE in meaning to the underlined word.

Keep only fish that you will eat; release the rest.

A. have B. hold C. take D. catch

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