$1$. I asked him where i lived
$2$. Lan asked me when i would have the English Test
$3$. He asked me what was she going to next summer vacation
$4$. She asked me who he used to live with
$5$. She asked me what i was doing at that time
$6$. Nga asked Nhi how thay could get to My Son
`->` Đây là câu tường thuật dạng WH-: S + asked + O + WH- + S + V(lùi thì)