1. Have already cooked
2. Cooked
3. Isn't catting (не поняла, что это за глагол)
4. Didn't ate
5. Не поняла контекст
6. Saw
7. Have Just came
8. Came
9. Have Made
10.Made
11. Finished
12.Have already finished
13.Prepeared
14.I Just had
15. Have you ever eaten
16. Had
17. Have you ever been
18. Have bought
Если ты где-то сделала опечатку, и не увидела, то пиши в комментариях по поводу предложений 3, 5. Я дам нужный ответ.