1,I have to help him.
Does Ann have to finish the work before Friday?
Ann doesn't have to finish the work before Friday.
2,she has to read the book.
Jenny hasn't been to Shanghai.
does she have to do homework this afternoon?
she doesn't have to go to school by bus.
3,can you give me some advice?
I can dance to music.
I can't speak English well.
she can't write Chinese clearly