1. You can leave only when you have finished your work.

2. There’s nothing I couldn’t do to be able to travel to the United States.

3. It’s difficult for old people to shop/ to do shopping in supermarket.

4. I was allowed to go abroad alone for the first time last year.

5. Jenny is said to have lived in Texas for 8 years.

6. It is a year since I last saw them.

7. No reply was sent to me by the secretary for ten days.

8. He was not allowed to know what I was thinking.

9. The gate is closed so that the children can’t/ will not to run into the road.

10. The garden is so small that we can’t play football in it.