Упражнение 5. Make up negative sentences in Present Progressive.

the sofa / Sam / is / on / not / sitting.
Are / playing / not / the cats.
cooking / Mother / not / my / is
Reading / friends / her / are / not
Упражнение 6. Make up questions.

San isn't sitting on the sofaThe cats aren't playing My mother isn't cooking Her friends aren't reading

Sam is not sitting on the sofaAre the cats not playingMy mother is not cookingHer friends are not reading