Here are the corrections for each sentence:

1. **Original:** Does your brother enjoy go fishing?
**Correction:** Does your brother enjoy going fishing?

2. **Original:** Peter prefer chatting face to face with his friends to chatting online.
**Correction:** Peter prefers chatting face to face with his friends to chatting online.

3. **Original:** We hate to wearing uniform to school every day.
**Correction:** We hate wearing a uniform to school every day.

4. **Original:** Mary is interested at listening to music in her free time.
**Correction:** Mary is interested in listening to music in her free time.

5. **Original:** We really dislike designing dolls because we find it interesting and relaxing.
**Correction:** We really dislike designing dolls because we find it uninteresting and relaxing.

6. **Original:** He don’t enjoy going rock climbing because he thinks it is very interesting.
**Correction:** He doesn’t enjoy going rock climbing because he thinks it is very interesting.