1. There weren't any seats left in the cinema.

2. Dave had a better seat than Jane.

3. Jane found it difficult to see the screen.

4. Dave said: "I have seen the film before"

5. The film was watched by them for two hours.

*GT: - Bị động QKĐ: S + was/were + VII + by + O.

        - S + find it + adj to do sth.

         - So sánh hơn với N: S + V + a/an + more adj/adj-er + N + than + S2.

         - QKĐ: +) Tobe: (+) S + was/were + C

                     +) Verbs: (+) S + V-ed/VII

         - Câu tường thuật: S + VII (+that) + Clause (lùi thì)

        → chuyển HTHT → QKHT.

Đáp án + Giải thích bước giải:

`1.` There weren't any seats left in the cinema

`@` QKĐ: Tobe: S + was/were + O

`2.` Dave had a better seat than Jane

`@` Worse `->` Better

`3.` Jane found it difficult to see the screen

`@` S + find + it + adj + to V

`4.` Dave said: "I have seen this film before"

`@` Câu trực tiếp: S + V + O

`5.` The film was watched by them for two hours

`@` Câu bị động thì QKĐ: S + was/were + V2/ed + (by O)