* Cấu trúc câu gián tiếp:

- Dạng câu hỏi yes/no: S + asked + (O)/wondered/wanted to know + if/wheter + S + V(lùi thì)

- Dạng câu hỏi wh/h: S + asked + (O)/wondered/wanted to know + wh/h + S + V(lùi thì)

* Một số thì của động từ lùi thì:

- HTĐ → QKĐ

- HTTD → QKTD

- HTHT → QKHT

- HTHTTD → QKHTTD

- QKĐ → QKHT 

- QKTD → QKHTTD

- can/ will/ shall/ may/ must + V0 → could/ would/ should/ might/ had to + V0

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171. Tam’s friend asked him “How long will you stay in England?”
-> Tâm's friend asks him how long he would stay in England. (Đây là dạng câu tường thuật dạng câu hỏi với "wh questions") 
172. “Are there some oranges in the fridge?” She asked her mom
 -> She asked her mom if there were some oranges in the fridge. 
173. The teacher said to Lien “What‘s your hobby?”
 -> The teacher said to Lien what her hobby was.
174. “How do you go to the airport?” His friend asked him
 -> His friend asked him if he went to the airport.
175. “How much does this dress cost?” Lan asked Lien
 -> Lan asked Lien how much that dress cost. 
176. Ba asked Tam “How often do you wash your clothes?”
 -> Ba asked Tam how often she washed her clothes.
177. “How many books do the students need?” The librarian asked my teacher
 -> The librarian asked my teacher if how many books did the students need.
178. She said to him: “give me another glass of wine”.
 -> she told him to give her another glass of wine.
179. She said to me: “bring me a book”.
 -> she told me to bring her a book.
180. Mother said to him: “open the window please!”.
 -> mother told him to open the window.
181. He said to me: “Shut the door after you”.
 -> he told me to shut the door after me.
182. The captain said to them: “Tait here until I come back”.
 -> the captain told them to wait there till he come back.
183. She told her: “Take it and come with me”.
 -> She told her to take it and come with her.
184. He said to me: “Don’t come back before one o’clock”.
 -> he told me not to come back before one o'clock.
185. My mother told me: “Don’t forget to look at the door”.
 -> My mother told me not to forget to look at the door.
186. He said to his brother: “Don’t open the window, open the door”.
 -> he told his brother not to open the window, open the door.
187. He said to the girl: “don’t sit on my bed, sit on this chair please!”.
 -> he told the girl not to sit on his bed, sit on that chair.
188. Teacher to John “Write that exercise carefully”
 -> Teachers requested John to Write that exercise carefully.
189. Mrs. Green said "Please sing at our party, Mary”
 -> Mrs. Green invited Mary to sing at their party.
190. Teacher to John: “Be careful; think before you answer”
 -> Teachers requested John to be careful and thought before he answered.
191. Tom: “Read my exercise, John, and tell me if it is correct”
 -> Tom requested John to read his exercise and told him if it was correct.