1.It was clever of him to work out the answer.

2.Marie is always careful of paying her bills regularly.

3.I noticed him crossing the road

4.We were relieved to heard that David had arrived.

5.You are mad to throw up your job.

6.I saw Jimmy get into his car and drive away.

7.We are disappointed not to hear from Molly.

8.She is usually quite easy to contact at work.

9.All of us felt the house shaking violently.

10.The papers are ready for you to sign.

11.You would be unwise to lend Tom any money.

12.Mr. Pinchley makes his teenage children stay home in the evenings.

13. I am keen on starting my own business

14.Harry’s parents didn’t let him buy a motorbike.

15.It's impossible for us to work in this noise.