giúp mình câu 4 và 6 với ạ

`4.` The nurse wanted to know how the doctor had known her name.

`6.` Isobel's brother wanted to know why Isobel hadn't phoned him.

`->` Cấu trúc câu tường thuật dạng Wh-questions:

$\text{S + asked + O / wanted to know + wh-word + V(back tense) + O}$

`@` Lùi thì: QKD `->` QKHT

`@` Thay đổi tân ngữ, đại từ phù hợp: my/ me `->` her/ him.

Câu tường thuật - dạng Yes/No-questions 

S + asked / wanted to know / wondered + (O) +if/whether + S+ V (lùi thì)

Câu tường thuật - dạng Wh-questions 

S + asked / wanted to know / wondered + (O) +WH + S+ V (lùi thì)

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QKD--> QKHT 

HTHT --> QKHT 

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4. The nurse wanted to know how the doctor had known her name.

5. Bernard wondered if his wife had seen his car keys.

6. Isobel's brother wanted to know why Isobel hadn't phoned him.

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