Learn English > English lessons and exercises > English test #10908: Modals : Must + infinitifve perfect

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Modals : Must + infinitifve perfect

Change the sentences into : ..must + infinitive perfect.

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English exercise "Modals : Must + infinitifve perfect" created by anonyme with The test builder.
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1. I am sure it was too dangerous. .

2. I am sure he was angry. .

3. I am sure you interfered. .

4. I am sure he has forgotten his date with you. .

5. I am sure it was a misunderstanding. .

6. I am sure they were surprised to be invited. .

7. I am sure you had been sitting here for hours when the ambulance arrived.
.

8. I am sure she threw the bottle out of the train window.
.

9. I am sure his parents had been saving money for him for ages.
.

10. I am sure he did this work all by himself. .

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