1 . I was chứ ko phải I were nha

2 . đúng rồi

3 . đúng rồi

4 . đúng rồi

5 . Câu này là một khoảng thời gian trong quá khứ => were you doing 

6 . Câu này có cấu trúc : S + used to + Vinf => collected ( sai ) => to collect ( đúng )

7 , Mik nghĩ câu này là was stolen hoặc stolen

8 . asked ( Would you mind if + S + Ved/bất quy tắc )

9 . Ko có vừa tobe lại vừa quá khứ thế kia bạn nhé

=> were sleeping/ was sewing/was working

10 . đúng rồi

Bạn sửa lại mấy cái mik sửa cho nhé

1. were - was - were playing

2. đã đúng

3. đã đúng

4.wasn't raining

5. were.. doing

6. to collect

7. was stolen

8. asked

9. were slept - was sewing - was working

10. built