${1.}$ She asked me if I loved har.

${2.}$ He asked me if I had been the period day.

${3.}$ Ba asked Mai if she had ever seen that man before.

${4.}$ Lan asked Nam if he would come back the following day.

${5.}$ She asked him if he felt comfortable when he worked there.

${6.}$ He asked him if he had come there the period day.

${7.}$ She asked her father if they should go on a trip to Dalat the following year.

${8.}$ He asked his mother if she had seen his keys anywhere.

${9.}$ She asked her father if he would by her a bicycle when she passed the exam.

${10.}$ She asked me if I was a student.

⇒ câu tường thuật dạng ccâu hỏi yes/no: S + asked +O/ wondered/ wanted to know + if/wheter + S + V(lùi thì)

* Một số thì của động từ lùi thì:

- HTĐ → QKĐ

- HTTD → QKTD

- HTHT → QKHT

- HTHTTD → QKHTTD

- QKĐ → QKHT 

- QKTD → QKHTTD

- is/am/are going to → was/were going to

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

* Cách biến đổi trạng từ chỉ thời gian và nơi chốn:

- today → that day

- tonight → that night

- tomorrow → the next day/the following day

- yesterday → the day before/ the previous day/ the period day

- ago → before

- now → then

- this → that

- these → those

- here → there