`1.` Tom asked Thu if she would be here the next day.

`-` Câu tường thuật : S + asked + O + if + S + V(lùi thì)

`-` Lùi thì : will `->` would ( dạng QK )

`-` tomorrow `->` the next day

`2.` She asked me if I wanted to buy some second-hand books.

`-` any dùng trong câu phủ định và nghi vấn.

`-` some dùng trong câu khẳng định.

`-` Lùi thì : HTD `->` QKD

`1`. "Will she be here tomorrow?" Tom asks Thu

⇒ Tom asked Thu if she would be here the next day.

`2`. "Do you want to buy any second-hand books?" she asked me

⇒ She asked me if I wanted to buy some second-hand books.

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`@` Câu tường thuật :

S + asked/wanted to know/wondered + if/whether + S + V

CHÚC BẠN HỌC TỐT!~