miss gao is a good teacher

1．miss gao is a good teacher
否定句：Miss Gao isn't a good teacher.
疑问句：Is Miss Gal a good teacher?
肯定回答：Yes,she is.
否定回答：No,she isn't.
2．lilei and david goto school by bike
否定句：Li Lei and David don't go to school by bike.
疑问句：Do Li Lei and David go to school by bike?
肯定回答：Yes,they do.
否定回答：No,they don't.
3.he swims on sundays
否定句：He doesn't swim on Sundays.
疑问句：Does he swim on Sundays?
肯定回答：Yes,he does.
否定回答：No,he doesn't.
4.you must sit on the chair
否定句：You needn't sit on the chair.
疑问句：Must I sit on the chair?
肯定回答：Yes,you must.
否定回答：No,you need't.
5.they will go to shang hai at7.30
否定句：They won't go to Shang Hai at 7:30.
疑问句：Will they go to Shang Hai at 7:30?
肯定回答：Yes,they will .
否定回答：No,they won't.