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III.GRAMMAR PRACTICE




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How to express obligation?

  Глагол Present Past Future
— Must I memorize this poem? — Yes, you must. — Должен ли я выучить это стихотворение? — Да, обязательно. must должен обязательно что-то сделать must    
— Do we have to wait long? — Yes, you do. It's raining hard and the flight is delayed. — Нам придется долго ждать? — Да. Идет сильный дождь, и рейс откладывается. have to (have got to) должен, приходится поневоле, вынужден (в силу обстоя­тельств) have to has to had to shall 1 have will [to
1 am to meet her in the library today. Я должен (мне предстоит, мы договорились, я обещал) встретиться с ней в библио be to должен (я обещал, запланировал по расписанию, по договоренности) am to are to is to was to were to  
теке сегодня.        
You should study English words before you go to bed. Вам следует (Вы должны, по моему мнению) учить анг- should должен (следует по моему мнению, совету) should    
лийские слова перед сном.        
You ought to return the book to me on time. Ты должен (это твой долг) ought to следует, должен (это твой моральный долг, ought to    
возвратить мне книгу вовремя. когда мы говорим о законе, правилах)      
You needn't clean the windows. needn't (don’t need to) need didn’t need to won’t need to
They are clean already. Тебе не нужно мыть окна. Они нет никакой необхо­димости (нужды)      
чистые.        

 

 

Exercise 10. Fill the gaps in the sentences with must(n't), needn't or should(n't). be to

1. We've run out of paperclips. I.................. get some more in the morning.

2. You............................. finish that report tonight if you're too tired. Midday

tomorrow is the deadline.

3. What are you doing here?.................... you be at the meeting downtown?

4. He really........................... have told his brother about this deal. It was supposed

to be absolutely confidential.

5. You clean the office because we haven't been using it today, but

could you tidy the shelves in the storeroom, please?

6. You............................. make so much noise. We'll be asked to leave otherwise.

7. I'm going to be in trouble. I.................... to post these letters yesterday

afternoon and I completely forgot.

8 You.............................. have typed this - a handwritten note would have been quite

adequate.

9. The meeting's finished. We……find out what's been decided .

Exercise 11. Complete the second sentence using the correct form of must, need, should or have to without changing the meaning.

E.g. It is vital to wear a helmet when you ride a motorbike.

You must wear a helmet when you ride a motorbike.

1. I expect we'll get the contract because we offered the best price.

We offered the best price so we............................................

 

2. It isn't necessary for us to spend a long time in the museum if it's not interesting.
We...........................................................................................

 

3. It was wrong of you to speak to my mother like that.

You.......................................................................................

  ,

 

4. She promised to phone me before lunch. It's seven o'clock now.

She…………………………………………………by now.

 

5. I made far more sandwiches than we needed.

I……………………………………………so many sandwiches.

 

6. It's essential that my father doesn't find out what I've done.

My father................................................................

 

7. In my opinion it would be wrong for them to leave the house now.

I don't think they.....................................................

 

 

8. My sister offered me a lift so it wasn't necessary for me to call a taxi.

As my sister offered me a lift……………………………………

Exercise 12. Match the two halves of these sentences.

1. She should be working

2. She shouldn't stay in bed all day

3. She shouldn't have fallen asleep

4. She mustn't oversleep

5. She doesn't have to get up yet

6. She didn't need to rest

7. She needn't have set the alarm clock

a when she was supposed to be working.

b because she woke up early anyway.

с but she's too tired.

d or she'll miss her interview.

e unless she's ill.

fif she's not going to work today.

g because she wasn't feeling tired.

 







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