Does my friend live in London?
My friend doesn't live in London
Does her uncle speak French badly
Her uncle doesn't speak French badly
Does it often snow in the winter?
It doesn't often snow in the winter
Is he my best friend?
He is not my best friend
Do his parents get up very early?
His parents don't get up very early
Do they listen to the news every evening?
They don't listen to the news every evening
Do we usually spend our holidays in the country?
We don't usually spend our holidays in the country
Past modals
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.