Negate the following sentences.
1) Tony arrived in Chicago at 11.30.
2) We are cleaning the kitchen
3) The shop assistant has checked the cash register.
4) The train leaves from platform 7.
5) Susan likes cheese.
6) You'll like this village.
7) They are going to buy a cheap car.
8) He has invited Andy to his party.
9) Mary was late.
10) Mel will be 14 next Sunday.
