`1` Hoa said she couldn't sleep because she felt about that exam

`=>` Câu tường thuật dạng câu kể : S + said + ( that ) + S + V ( lùi thì )  

`2` I will look through the documents which to me this morning my boss gave

`=>` Mệnh đề quan hệ which : dùng để chỉ vật , thay thế cho chủ từ hoặc túc từ

`3` Jane wondered if he should go out with her tonight

`=>` Câu tường thuật dạng câu hỏi Yes/No : S + asked/wanted to know / wondered + O + If/wheather + S + V ( lùi thì ) 

1. “I can’t sleep because I feel nervous about this exam.” Hoa said.

→Hoa said that she couldn't sleep because she felt nervous about that exam.

4. I will look through the documents. My boss gave them to me this morning(Combine the sentences, using suitable relative pronoun)

→ I would look through the documents that my boss gave them to me this morning

5“Should I go out with her tonight?” Jane wondered.

→Jane wondered if he went out that night