1. The meeting is put off till next Friday.

I meant ..... you about it, but I forgot. I am sorry.

to warn
to be warning
to have warned

2. No words can describe the

fascination of the place. It must ..... .

be seen
see
have seen

3. Look at the children! They are laughing.

They seem ..... the film.

to enjoy
to have enjoyed
to be enjoying

4. It was nice of you ..... me your Grammar book.

Without it I would have been lost.

to have lent
to be lending
to lend

5. Sheila scrubbed and cleaned ..... the little

house look nice.

to be making
to make
to have made

6. A great mistake that you can make

in life is ..... you are always right.

to be thinking
to think
to have thought

7. You warned me to stay away from Robert.

I am sorry not ..... your advice.

to have followed
to follow
to be following

8. Don’t interrupt him when he is working.

He hates ..... .

to be disturbing
to disturb
to be disturbed

9. Tom had an accident because he had exceeded speed limit. He shouldn’t ..... so fast.

be driving
drive
have driven

10. Modern art is when you buy a picture ..... a hole in the wall – and decide that the hole looks better.

to cover
to be covering
to have covered

11. It is not hard ..... decisions when you know what your values are.

to make
to be making
to have made

12. Jenny seemed ..... no attention to what was going on around her.

to have paid
to be paying
to pay