Ответ:
1. The weather was awful. I wish it had been (to be) better.
2. I wish I knew (to know) Sue’s telephone number.
3. I wish it hadn't rained (not to rain) so much in England last week.
4. Do you wish you had studied (to study) science in stead of languages last
year?
5. I feel sick. I wish I hadn't eaten (not to eat) so much.
6. It’s crowded here. I wish there were not (not to be) so many people.
7. I wish I were (to be) taller.
8. I wish you stopped (stop) shouting. I am not deaf you know.
9. I wish he had borrowed (to borrow) that book from the library last week.
10. I wish you had given (to give) him my phone number at that party.
11. I wish it stopped (to stop) raining.
12. I wish I could speak (can speak) several languages.
13. If only I had had (to have) the chance to study when I was at school
.