Ответы и объяснения

C Conditional 2:
1. If he had more time in his exams, he would pass it.
2. If I had time , i would help you
3. If Kate's mother bought cake, we would have a nice tea party
4. If John's car didn't break, we would go to Disneyland
5. If I was able to do it, i would help you
6. If teacher's computer didn't break, we would watch some useful films
7. If I didn't do homework yesterday, my teacher would get angry
8. If my computer wasn't broken, i would communicate with my friends
9. If my book wasn't lost, i would read some short stories which were written by Conan Doyle 
10. If my granny wasn't ill, i would walk with her in the garden.