Present Simple Error Correction 2

Look at these sentences using the present simple. Is each sentence correct or is there a mistake?

1. How often do you go to college, Fran? Do you go every day?
Correct
Not Correct

2. What time the bus does come? I'm late!
Correct
Not Correct

3. When I have a headache, I sit in my room and not do nothing.
Correct
Not Correct

4. Many people thinks my dog, Jasper, is crazy. He barks a lot for no reason!
Correct
Not Correct

5. I think this is the wrong train! Excuse me, do this train go to London?
Correct
Not Correct

6. The plane arrives at gate 16. Then, go outside because the taxis leaves from there.
Correct
Not Correct

7. My sister is a chef! Does your sister has a job?
Correct
Not Correct

8. All of the students in the class are happy today because they don't have homework to do.
Correct
Not Correct