Правильны ли эти предложения: 1) It costed me seventy five dollars to get this package ...

Question

Правильны ли эти предложения:

1) It costed me seventy five dollars to get this package
2) What are you doing next summer?
3) She must finish yestarday

Answer 1

1) It cost me seventy five dollars to get this package
2) What will you do next summer?
3) She had to finish yesterday.