Paraphrase the following sentences using “must + infinitive” to express near certainty. Use the indefinite infinitive when speaking about the present, the perfect infinitive when speaking about the past. Model: Of course, he is somewhere here. – He must be somewhere here.
Certainly, she knew that something was wrong. – She must have known that something was wrong.
1. I am sure the information was wrong.
2. She was obviously upset by something.
3. Probably, he recognized you by your photo in the papers.
4. He is sure to be in at this time.
5. I’m sure she is very fond of the child.