поставьте предложения в вопросительную и отрицательную формы:
1)pete may clean the black board
2)the family is wathing TV now
3)there is a black desk in the room
4)these men work in the shop
5)they have German books at home
6)mike had to go to the library
Answers & Comments
2is'n watching, is the family watching...?
3isn't any, is there any...?
4don't work, do these man work...?
5do no have, do they have any books...?
6needn't go, had mike go .....?