`1,` Anna asked her mother if she could have a new bicycle 

`->` Lùi thì : can `->` could

`->` Đổi ngôi : I `->` she

`2,` Thomas asked Jean if he had seen his gloves

`->` Lùi thì : HTHT `->` QKHT

`->` Đổi ngôi : you `->` he ; my `->` his

`3,` I asked her if it was going to be a fine day that day

`->` Lùi thì : be going to `->` was/were going to

`->` Đổi thời gian : today `->` that day

`4,` Jun asked me if I had gone to work the day before

`->` Lùi thì : QKĐ `->` QKHT

`->` Đổi ngôi : you `->` I

`->` Đổi thời gian : yesterday `->` the day before

`5,` She asked me if I was going by train

`->` Lùi thì : HTTD `->` QKTD

`->` Đổi ngôi : you `->` I

`6,` Peter asked Janet if he could borrow his typewrite

`->` Lùi thì : can `->` could

`->` Đổi ngôi : I `->` he ; your `->` his

__________________________________________

`@` GT - Yes/No : S + asked (+ O)/wanted to know/wondered + if/whether + S + V(lùi thì/đổi ngôi)

`1` Anna asked her mother if she could have a new bicycle.

`-` can `->` could

`-` I `->` she

`2` Thomas asked Jean if he had seen his gloves.

`-` you `->` he

`-` my `->` his

`3` I asked her if it was going to be a fine day that day.

`-` today `->` that day

`-` is `->` was

`4` Jun asked me if I had gone to work the previous day.

`-` you `->` I

`-` yesterday `->` the previous day

`-` QKĐ `->` QKHT `=>` had gone

`5` She asked me if I was going by train.

`-` you `->` I

`-` HTTD `->` QKTD `=>` was going

`6` Peter asked Janet if he could borrow her typewriter.

`-` can `->` could

`-` your `->` her

`===========`

`-` Câu gián tiếp:

`@` Dạng câu kể: S + said (that) + clause (lùi 1 thì)

`@` Dạng câu kể: S + said to/told + O + (that) + clause (lùi 1 thì)

`@` Dạng câu mệnh lệnh: S + asked/ordered/... + O + (not) + to V

`@` Dạng câu hỏi yes/no: S + asked/... + (O) + if/whether + clause (lùi 1 thì)

`@` Dạng câu hỏi Wh-qu: S + asked/... + (O) + Wh-qu + clause (lùi 1 thì)