1 Study the modal forms in blue in sentences 1-4. Then answer questions a
and b.
1 She must have had a healthy lifestyle. She lived
until she was a hundred
2 He can't have done a lot of exercise. He isn't very
fit
3 She could have given up eating so much junk
food She's lost a lot of weight.
4 My grandad might have smoked when he was
young. More people smoked in those days.
a Which of the past modal verbs
• expresses a strong probability that something
is true?
• expresses a strong probability that something
is not true?
• expresses a possibility that something
is true?
b When we speculate about the past, we make
sentences with a modal verb + + past
participle of the main verb.
More practice < Workbook page 17

1.I have been studing English since 2006

2. He has been building the house in the village for 2 years

3. They  have been reading this  book since Friday

4. She has been writing her composition for 2 hours

5. We have been walking to the town since 3 o*clock

6. I have been cooking dinner for my family for half an hour

7. They have been watching a new film for an hour

8. The kitten has been playing with a toy since this  morning

9. Ann has been speaking over the telephone for 40 minutes

10. They have been working there since 2008

Упражнение 5. Раскройте скобки,употребляя глаголы Past Simple или Past Continuous.

1. My brother didn't play tennis yesterday.

2. He played tennis the day before yesterday.

3. My sister wasn't playing the piano at 4 o'clock yesterday.

4. She played the piano the whole evening.

5. When I came into the kitchen, mother was cooking.

6. She cooked the whole day yesterday.

7. We washed the floor in our flat yesterday.

8. We were washing the floor in our flat from 3 till 4 yesterday.

9. Did you do your homework yesterday?

10. Were you doing your homework from 8 till 10 yesterday?

11. Why was she sleeping at 7 o'clock yesterday?