`1,` Hoa said that she could use a computer then.

`-` S `+` told/asked/said `+` that `+` S `+` V(lùi thì)…

${\text{Lùi thì: }}$

`-` I `->` she

`-` can `->` could 

`-` now `->` then  

`2,` She asked me if I was good at learning English in my class. 

`-` S `+` told/asked/said `+` if `+` S `+` V(lùi thì)..

${\text{Lùi thì: }}$

`-` you `->` I

`-` are `->` was 

`-` your `->` my 

`3,` Tuan requested Loan to lend him her book.

Câu gián tiếp dạng mệnh lệnh, yêu cầu:

`-` S + requested/advised + sb + (not) to V0..

${\text{Lùi thì: }}$

`-` me `->` him 

`-` your `->` her 

=>

1. Hoa said that she could use a computer then.

2. She asked me if I was good at learning English in my class.

3. Tuan asked/told Loan to lend him her book.

Câu tường thuật dạng Yes/No questions: asked sb if S V(lùi thì)

Câu tường thuật -> lùi thì

can -> could

HTĐ -> QKĐ