1. My daughter regrets spending all her savings on that car.

she

My daughter wishes all her savings on that car.

2. They are extending this motorway by 100 kilometres.

being

This motorway 100 kilometres.

3. It was a mistake for the company to install the new computer system.

should

The company the new computer system.

4. We mended the roof to prevent the birds from making nests in it.

so

We mended the roof not make nests in it.

5. I'm afraid I don't have time to go shopping this morning.

too

I'm afraid to go shopping this morning.

6. Matthew can't be sure that Alex will help him if something goes wrong.

rely

Matthew can't him if something goes wrong.

7. By the time we arrived at the theatre, nearly all the seats had been taken.

hardly

There left by the time we arrived at the theatre.

8. Pauline isn't trying to solve her financial problems at all.

effort

Pauline is solve her financial problems.

9. I'd rather you made less noise – I'm trying to get some work done.

mind

Would much noise – I'm trying to get some work done.

10. I shouldn't bother to clean the windows today because it's going to rain.

worth

It the windows today because it's going to rain.