1) Правильные: cook, watch, clean

Неправильные остальные

2) 1.saw

2.met

3.helped

4. was

5. were not

3)They weren’t in Great Britain last year.

Kate didn’t get up at 7 o’clock yesterday.

I didn’t drink two cups...

We didn’t go to the park...

Sheila didn’t buy a new dress...