1.Пишешь didn't и глаголы без окончания "ed"

1)didn't cook

2)didn't work

3)didn't use

4)didn't climb

5) didn't open

2. 1) My mum didn't listen music yesterday

2)My classmates didn't walk near the school yesterday.

3)I didn't study math yesterday

4)My.....(допишешь) didn't play football yestarday

5)This class didn't start making a poster yesterday

3. 1) Did... help

Yes.she did.

2)Did... finish..

Yes,they did.

3)Did....start

No,the didn,t

4)Did...enjoy

Yes,I did.

5)Did ....rain

No,it didn,t

4.2) Did you use a computer last night?

3)What did you study yesterday?

4)Did you visit another country on holiday?

5)When did you finish Until 5?

(ответы напишешь сам(а),там легко)