Task 1 Write the corresponding form of the infinitive, as in the example.

Example: he wrote - to have written

1) They eat –   to eat

2) He is reading – to be reading

3) He has been driving –  to have been driving

4) She was practising –  to have been  practising

5) We will skate –  to skate

6) He has called –  to  have been called

7) He is advised – to be advised

8) It was constructed – to  have been constructed

9) She left – to leave

10) He had cleaned – to have been cleaned

Task 2 Write the appropriate form of the infinitive.

1) She must …(be) very rich. She has three cars and a yacht.

2) He must …..(have passed) the exam. He studied a lot in preparation for it.

3) I can’t ….(work) as a lawyer. I studied psychology.

4) She looks angry. Oh! She must …(have had) an argument with her neighbour again.

5) Her eyes are red. She can’t ….(have gone) to bed early.

6) Bob is tired. He must …..(have been staying) in his office late.

7) The cottage could …(have burnt down) if the brigade hadn’t arrived on time.

8) She must ….(have hurt) her leg. She’s limping.

9) Lynn wasn’t at home this morning. She might ….(have gone) shopping.

10) He seems to …..(be training) hard these days.