must Sentences

You must finish your homework before you go out to play.

It must rain tonight because the sky looks so dark.

He must have misunderstood what I said last night.

You mustn't cheat on this test; it's not fair to others.

She must have left a year ago to study abroad.

They must be studying hard for their exams.

It must be getting late because the city is getting quieter.

He must have read your letter already, since he was asking about it.

You must have made a mistake if you got that answer wrong.

She must have known about the plan, as she acted suspiciously.

He must be tired after such a long day at work.

You must have spoken to her before you forgot her name.

She must be at home, as she left a note saying she was going to the movies.

He must have gone to the library today because I saw him there last week.

She must have cooked a roast for dinner tonight.

We must start the project by next week.

He must have deleted the file by now.

They must be waiting for us at the hotel.

She must have moved to New York.

He must be a good athlete to have won the race.