Find and Correct the mistake.
1. Let's going to a restaurant for dinner tonight.
2. I've never see a wheal.
3. The phone rang while I was eat dinner last night.
4. How long you have been a student at this school?
5. I'm in this class since the beginning of January.
6. Have you ever went to a baseball game?
7. You don't must be late for work.
8. I've known Bobby since I am a child.
9. You shouldn't to speak loudly in a library.
10. Why you have to leave now.
11. I have been in this city since two months.
12. I must to study tonight. I can't going to the movie with you.
13. John doesn't has to go to work today.
