с 11 предложения
Там надо present perfect

Сделала до 11 го. Если остальные тоже нужны будут напиши

11. i haven't cleaned my room.

12.no they haven't.

13.have she sicked.

14.have he swum in the ocean.

15.they haven't arrived.

16.where have they.

17.we have lived for a year.

18.what has he done.

19.it hasn't rained for a long time.

20.who has finished the homework.

Объяснение: