1)I have work hard to inprove my English.
can stay here.
3)I’m sorry I’m late.I had to did the shopping.
4)I think the spacemen has to know English.
5)Does she has to read this rule?
6)Tom hasn’t to use a computer.
7)You has to know English to understand people.
8)Do Mary have to help Ann to study English?
9)What time do you has to get up?
10)Does your teacher have correct your homework?