Complete the sentences with a verb in the correct form.
Look. Jack is putting on his hat and coat. He *** out. (go)
must be going
I’ve lost one of my gloves. I must have dropped it somewhere.
They haven’t lived here for long. They can’t know many people.
Ted isn’t at work today. He must be ill.
Ted wasn’t at work last week. He must have been ill.
(The doorbell rings) I wonder who that is. It can’t be Mary. She’s still at work at this time.
Carol knows a lot about films. She must have been to the cinema a lot. (g̶o̶)
Look. Jack is putting on his hat and coat. He must be going out.
I left my bike outside the house last night and this morning it isn’t there any more. Somebody must have stolen it. (stole)
Ann was in a very difficult situation. It can’t have been easy for her.
There is a man walking behind us. He has been walking behind us for the last 20 minutes. He must be following us.