реши

Конечно! Вот правильная форма глагола "eat" в каждом предложении:

1. The sandwich was eaten at the moment.
2. The sandwich will be eaten by 7 o’clock tomorrow.
3. The sandwich was eaten by the time you come home.
4. The sandwich had been eaten by the time he came home.
5. The sandwich has been eaten yet. (или "has not been eaten yet" — если имеется в виду, что ещё не съеден)
6. The sandwich has just been eaten.
7. The sandwich was being eaten while I was cooking another one.
8. The sandwich was eaten two weeks later.
9. The sandwich was eaten when I entered the kitchen.

Если нужно, я могу объяснить выбор каждого времени и формы глагола!