`47`. She asked me why I had a day off the next day.

`->` Câu trần thuật có từ để hỏi: S + asked (O) + từ để hỏi + S2 + V lùi thì

`48`. If the weather weren't bad, we could go camping.

`->` If 2: If + S1 + V2/ed, S2 + would/could + Vinf

`49`. Because of behaving badly, he was punished.

= Because of his bad behaviour, he was punished.

`->` Because of + N/Ving = Because +  S + V: bởi vì

`50`. Hardly had the keeper opened the case when the lion attacked him.

`->` Đảo ngữ "hardly": Hardly + had + S1 + Vpp when + S2 + V2/ed

46.A new bakery will be built in the area.

Câu bị động thì TLĐ: S+will (not) be+PII/Ped+(by sb)

47.She asked me why I had a day off the next day.

Câu trần thuật dạng câu hỏi Wh/h: S+asked sb/wanted to know/wondered+wh/h+S+V lùi thì+O.

48.If the weather weren't bad, we could go camping.

Câu điều kiện loại 2: If+S+V quá khứ/were adj+O, S+should/would/could+V.

49.Because of behaving badly, he was punished.

Cấu trúc: Because of+Ving/Cụm danh từ+O, ......

50.Hardly had the keeper opened the case door when the lion attacked him.

Cấu trúc đảo ngữ nhấn mạnh: Hardly had +S+V ed+when+S+Ved.