1 Write sentences using have / has
and the past participle of the main verb.
1/must/turn off the computer last
night
I must have turned off the computer last
night.
1 He hasn't gone to the hospital yet.
they / can't / operate / on him
2 Helen is crying.
she / could / have / an argument with
Ted
3 Mum isn't here.
she / might / go / shopping
4 He looks happy.
he must pass the test
5. She was on her own,
she can't get together with her
friends
live​

1 Write sentences using have / has and the past participle of the main verb.

I / must / turn off / the computer last night

I must have turned off the computer last night.

1 He hasn't gone to the hospital yet. They can't have operated on him.

2 Helen is crying. She could have had an argument with Ted.

3 Mum isn't here. She might have gone shopping.

4 He looks happy. He must have passed the test.

5 She was on her own. She can't have got together with her friends.

Думаю что так!