1.

It's time you open a savings account.

2.

I had rather you didn't smoke in here.

3.

We should have the office windows cleaned.

4.

Would you mind pass me that file over there?

5.

It's time for us we had a coffee break.

6.

Why don't you get the figures check by an accountant?

7.

Do you mind if I can make a telephone call?

8.

I wonder if could you type this letter by 4 o'clock?

9.

I'd rather you paid back the money this month.

10.

Could you let me to leave work early this evening?