1.  do classes start at seven o'clock? yes they do/no they don't
Classes don't start at seven o'clock.
2. does he finish his homework in the evening? yes he does/no he doesn't 
He doesn't finish homework in the evening.
3. does nam take a shower at 12:30? yes he does/no he doesn't
Nam doesn't take a shower at 12:30.
4. does your father go home at 11:30? yes he does/no he doesn't 
My father doesn't go home at 11:30.
5. do you go to bed at 11 o'clock? yes I do/no I don't
I don't go to bed at 11 o'clock.
6. do they play soccer every afternoon? yes they do/no they don't
They don't play soccer every afternoon.
7. do the girls play volleyball in the morning? yes they do/no they don't
The girls don't play volleyball in the morning.
8. does she have lunch at 12 o'clock? yes she does/no she doesn't
She doesn't have lunch at 12 o'clock.
9.does Mr. Ha watch TV everyday? yes he does/no he doesn't
Mr. Ha doesn't watch TV everyday.
10.do they do their homework every evening? yes they do/no they don't
The don't do their homework every evening.