There are 9 mistake in the following sentences.
1. Last year I go to a summer camp.
2. What's your mother name?
3. We like going to picnics. 
4. In me spare time I listen music.
5. After school I often play in football.
6.Next summer I take a trip to Brighton. 
7. I don't like this film too.
8. Where you were in the evening?
9. In last summer I had a lot of fun.

1. Last year I went to a summer camp.2. What's your mother's name?3. We like going on picnics. 4. In my spare time I listen to music.5. After school I often play football.6.Next summer I will take a trip to Brighton. 7. I don't like this film either.8. Where were you in the evening?9. Last summer I had a lot of fun.