1. the weather is very hot 
I wish it(be) ........................................................cooler
2. We seldom write to her.
I wish we (write) ........................................................ to her more often
3. john doesn't know to swim
He wishes he (can)..........................................................swim
4, john doesn 't buy the book 
She wishes she (study) ......................................it
5. Mai wants to pass  the exam
She wishes she (study) ........................................................harder to pass the exam
6.We will not go to Ha Long Bay next week 
I wish we (go) .............................................. there
7. It is raining now 
I wish it (stop) .....................................................raining soon
8. my parents are not in now
I wish they (be) .......................................at home with us now
9. I know Nam will not lend me his car
I wish he (lend) ...................................................it to me
10. We want to be in london now
We wish...................................................................................................................