Сit may/could/must have been, etc complete the sentences. the second person agrees with the first. use might have, couldn't have, etc. ► matthew: i'm sure the computer didn't make a mistake. that's impossible. emma: no, of course the computer couldn't have made a mistake. 1 mark: i can't see the letter here now. so clearly someone posted it. alan: yes, 2 natasha: it's possible emma didn't hear the alarm. rachel: well, i suppose 3 sarah: henry drove at 100 miles an hour. don't you think that's dangerous? mark: yes, i 4 daniel: i just don't believe that andrew has failed the exam. vicky: andrew? impossible!

1 somebody must have posted it.
2 she may/might not have heard the alarm.
3 he shouldn't have driven at 100 miles an hour.
4 he can't/couldn't have failed the exam.

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1)Tom didn't clean his room yesterday

2)Nina didn't wash dishes last week

3)Ann didn't paint pictures yesterday

4)Fred didn't cook breakfast for his family last Sunday

5)Dan didn't listen to music at school three days ago

1)Did Ted like milk yesterday?

2)Did i phone my friend yesterday?

3)Did Kate work in tge park last winter?

4)Did Nick jump in the bathroom yesterday?

5)Did Tom clean his room yesterday?

1. Love-loved

carry-carried

skate-skated

stay-stayed

want-wanted

skip-skipped

like-liked

clean-cleaned

write-wrote

study-studied

2. 1. Tom didn't clean his room yesterday

2. Nina didn't wash dishes last week

3. Ann didn't paint pictures yesterday

4. Fred didn't cook breakfast for his family last sunday

5. Dan didn't listen to music at school three days ago

3. 1. Did Ted like milk yesterday?

2. Did I phone my friend yesterday?

3. Did Kate work in the park last winter?

4. Did Nick jump in the bathroom yesterday?

5. Did Tom clean his room yesterday?

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