Question

Exercise 15. Put the verbs in brackets into the Past Simple or the Present Perfect.

1. Kevin ___________ (lose) his keys. He _____________ (leave) them on the bus yesterday.

2. I _______________ (not/play) tennis since I was at school but I ______ (be) very good at it back then.

3. Mr. and Mrs. Little _____________ (visit) Egypt. They __________ (go) there on holiday in 2007.

4. - __________ you __________ (choose) a dress for the party yet?

- Yes, I _____________ (buy) one yesterday.

5. - __________ you __________ (see) any new films lately?

- Yes, I ____________ (watch) the new James Bond film last week.

6. I think our teacher _____________ (forget) about the test! He ________ _________ (not/say) anything about it in the last lesson!

7. Sarah _________ (break) her leg. She ________ (fall) off a horse last week.

8. - __________________ (you/sell) your house yet?

- Yes, some people ____________ (see) it last month and _________ (buy) it.

9. I ______________ (finish) decorating my room. I __________ (paint) it last week and I ____________ (put up) the new curtains last night.

10. They ____________ (lose) their cat. It ___________ (run) away last week.



Exercise 16. Complete the text with the correct form of the verbs in brackets. Use the Past Simple or Present Perfect.

Stephen Hawking is a world-famous scientist. He 1) _____________ (not win) a Nobel Prize yet. He 2)________________ (tell) us more about time than anyone in the world. He 3) ________________ (always be) interested in time and questions like 'How 4) ______________________ (the world start)?' and 'Can we go back in time?' He 5) _______________ (write) his famous book about time in 1988 and it 6)______ (already sell) more than eight million copies. Stephen Hawking 7) ____________ (be) in a wheelchair for most of his life because he has ALS. This means that information that tells his arms and legs to move does not go up his spinal cord to his brain. So his arms and legs don't move and breathing is a problem. In 1985 he 8) ___________ (go) to hospital because he couldn't breathe. Doctors 9) __________ (help) him to breathe but they had to take out his voice. He now speaks with the help of an American computer. 'The computer 10) ____________ (give) me a voice but it's an American voice,' Stephen often says, with a smile.

Answer 1

Step-by-step explanation:

Kevin lost (Past Simple) his keys. He left (Past Simple) them on the bus yesterday.

I haven't played (Present Perfect) tennis since I was at school but I was (Past Simple) very good at it back then.

Mr. and Mrs. Little visited (Past Simple) Egypt. They went (Past Simple) there on holiday in 2007.

Have you chosen (Present Perfect) a dress for the party yet?

Yes, I bought (Past Simple) one yesterday.

Have you seen (Present Perfect) any new films lately?

Yes, I watched (Past Simple) the new James Bond film last week.

I think our teacher forgot (Past Simple) about the test! He didn't say (Past Simple) anything about it in the last lesson!

Sarah broke (Past Simple) her leg. She fell (Past Simple) off a horse last week.

Have you sold (Present Perfect) your house yet?

Yes, some people saw (Past Simple) it last month and bought (Past Simple) it.

I have finished (Present Perfect) decorating my room. I painted (Past Simple) it last week and I put up (Past Simple) the new curtains last night.

They lost (Past Simple) their cat. It ran (Past Simple) away last week.

Exercise 16:

has not won (Present Perfect)

has told (Present Perfect)

has always been (Present Perfect)

did the world start? (Past Simple)

wrote (Past Simple)

has already sold (Present Perfect)

has been (Present Perfect)

went (Past Simple)

helped (Past Simple)

gives (Present Simple)