Answer:
active voice
1. you eat the salad
2. They showed us their film
3. The book is interesting
4. Gulliver is the protagonist if a famous book
5. That film was very nice
Negative
1. You dont eat the salad
2. They did not show us their film
3. the book is not interesting
4. Gulliver is not the protagonist of a famous book
5. That film was not very nice
Interrogative
1. do you eat the salad?
2 did they show us their film?
3.Is the book interesting?
4.Is Gulliver the protagonist of a famous book?
5.Was that film very nice?