Use must to express certainty about the past; may/might to express possibility about the past; /can’t to express uncertainty about the past. Complete the sentences.

Model:

I’m sure the family visited the Pleasure Beach.

They . (visit) –

They must have visited the Pleasure Beach

1) I’m sure they got stuck in a traffic jam. –

They . (get)

2) Perhaps they browsed in the shop. –

They . (browse)

3) Perhaps Susan bought some souvenirs.

Susan . (buy)

4) I don’t believe Alan rode a roller-coaster.

Alan . (ride)

5) I don’t believe Susan swam in the sea.

Susan . (swim)

6) I have no doubt that the family enjoyed their weekend.

The family .(enjoy)

7) It’s not possible that James rode a donkey.

James . (ride)

8) It’s possible they went inside the tower.

They . (go)

9) I’m sure they took a stroll in the park.

They - . (take)

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