MODAL VERBS OF SPECUALTION

The light in Scot's room is on. He must be playing computer games. (playing)

They must be home before 6. Their train arrives at 5.30, and they live just opposite the station. (be)

He must win the competition. He's the best by far. (win)

Perhaps he took piano lessons when he was a child. (might) He might have taken piano lessons when he was a child.

They are likely to vote for him in the election. (vote)They may/could/might vote for him in the election

He can’t speak German very well. He's only lived in Germany for one month. (speak)

Yesterday I fell while running and I think I might have sprained my ankle. (might)

This app will definitely help you improve your productivity. (help) This app must help you improve your productivity.

A: 'Have you seen the cat? I can't find him.' B: 'Have you checked under the bed? He may/might/could be there.' (be)

Maybe he is not working today. (may) He may not be working today.

I'm sure he saw me. (must) He must have seen me.

They didn't have their car, so I'm sure they didn't get very far. (cannot) they can’t have gotten too far