`-` Tường thuật NV ( Wh ) :

`=>` S + asked + O + wh + S + V ( lùi thì )

`-` HTĐ `->` QKĐ : S + was / were + adj / n

`-` HTTD `->` QKTD : S + was / were + V-ing

`-` Can `->` Could

`2`.Tom asked Bo what colour his new car was

`3`.The boss asked Mr.Grey what he was looking for under his table then

`4`.Tina asked her mom why they couldn't afford a bigger flat

`5`.The clerk to Sylvie how old she was 

`\text{# TF}`

Answer

$2.$ Tom asked Bo what colour his new car was.

$3.$ The boss asked Mr. Grey what he was looking for under his table then.

$4.$ Tina asked her mom why they couldn't afford a bigger flat.

$5.$ The clerk to Sylvie how old she was.

`-----------------`

* Câu tường thuật dạng NV ( Wh-Question ) :

`->` S + asked O / wondered / wanted to know + Wh-Ques + S + V ( lùi thì )

* Lùi thì :

`-` HTĐ `->` QKĐ - Động từ tobe `( + )` S + was / were

`-` HTTD `->` QKTD `( + )` S + was / were + Ving

`-` Can `->` Could