Exercise 7Eight sentences are wrong and two are right. Correct the

Exercise 7
Eight sentences are wrong and two are right. Correct the mistakes if necessary.
1. Serena does not know what to do.
2. Wendy do not like to do shopping.
3. My grandfather live in London.
4. My sisters walks to school every day.
5. My best friend is like math.
6. My brother and I does not have breakfast half past seven.
7. Peter not study French.
8. Antonio do not like playing computer games.
9. Who do you usually play football with?
10. I eats a hamburger every weekend.