I. Underline the correct word or phrase. If both options are correct, underline both.
1. Hello. Could / Can I speak to Mrs. Johson, please?
2. We could / were allowed to go home early yesterday because our teacher was ill.
3. The head teacher said we could / were allowed to go home.
4. Do you think I should / could be worried about these spots on my forehead?
5. You ought to / should enter that talent contest!
6. You couldn’t / shouldn’t talk to people like that! It’s rude!
7. No, you may / should not go out tonight. You know you’re grounded!
8. Yes, of course you can / are able to open the window if you are too hot!

2. Don’t risk ________ alone in the river.

A. to swim B. to swimming C. swimming D. swim

4. The boy pretended ______ an essay, but in fact he wrote nothing.

A. to be writing B. writing C. to be written D. to writing 

8. Do not delay ________ him.

A. to answer B. to answering C. answering D. to be answering

9. I remember _______ the post office, but I forgot _____ the letter, which is still in my briefcase.

A. to enter - to post B. entering - posting C. entering - to post D. to enter - posting

10. I’ve seen him ________ the office early this afternoon. He seemed unhappy about something.

A. leave - to have been B. leaving - to have been C. left - to have been D. A and B are correct 

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

1. My friend forgot _______ a book back to the library, so she had to pay a fine.

A. take B. to take C. taking D. to be taken

2. Would you please remind her ________ me tomorrow morning? A. calling B. to call C. call D. to calling

3. John volunteered ______ the food supply to the victims in the flood area. A. take B. to take C. taking D. to be taken

4. My friend Mary is a blabbermouth! She can’t resist _______ everyone what she heard from me. A. tell B. to tell C. telling D. to telling

5. The man finally admitted _____ responsible for the accident last week. A. to be B. for to be C. for being D. being

6. The union members discussed _______ the next meeting until next week. A. postponing B. to postpone C. postpone D. to postponing

7. I have been having a lot of trouble with my old car the last couple of months. I am thinking about ________ a new one. A. to buy B. buy C. buying D. being bought

8. Mary appeared _______, but she wasn’t. She was only pretending. A. to asleep B. to be asleep C. being asleep D. be asleep

9. Johnny is only nine, but he intends ______ a singer when he grows up. A. be B. to be C. being D. Both B and c are correct.

10. It was cold and snowy last Sunday, so we postponed _______ the botanical gardens until next Sunday. A. visiting B. to visit C. visited D. being visited 

A. _________________ you __________________________ (ever / to be) to London? No, I ___________________________ (never / to be). B. My father _________________________ (give) to me this present for my birthday. C. My brother ____________________ (live) in London for a long time. D. We ___________________ (not / pack) our suitcases yet. E. My friend _______________________ (already / join in) in the festival. F. Mr. John Daily __________________ (not / come) to our house since last June. G. Thanksgiving, a national holiday __________________ (celebrate) in the USA since 17th century. H. Molly ______________________ (to be) interested in women since she was a little girl. I. ____________________ you _____________________ (already / send) your aunt’s birthday card? J. I __________________________ (already / dress up) since this morning! Michael ________________________ (to be) furious with his girlfriend for months

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