1.We never go to school on Saturday and Sunday (don't)
We don't go to school on Saturday and Sunday.
2.Is reading books your hobby (do)
Do you like reading books?
3.Is it true that you surf the internet 24/7? (do)
Do you surf the Internet 24/7?
4.I do aerobics every day expect for Monday (don"t)
I don't do aerobics on Monday.
5.I'm not a fan of web design. (don't)
I don't like web designing.