`1` My mom asked me what I had talked to my dad the night before 

`2` Lan asked Lien when she had arrived that city the week before 

`3`  His friend asked him how he was going that day 

`4`  Pirlo asked Bufon if he had stayed in Milan `5` years before 

`5`  She asked him how long he had been there 

`6`  Phong asked Thu why she had been in his house the previous week 

`7` The teacher asked him how many books he had taken since the day before 

`=>` Câu gián tiếp dạng câu hỏi với : 

`-` Từ để hỏi : Wh - question : S + asked + O + WH + S ( đổi ngôi ) + V ( lùi thì ) 

`-` yes / no question : S + asked + O + if / whether + S ( đổi ngôi ) + V ( lùi thì ) 

`**` Lùi thì từ : 

`-` QKD / HTHT `->` QKHT : S + had + Vpp + O 

`-` HTTD `->` QKTD : S + was / were + Ving + O 

`**` đổi từ cụm từ : 

`-` last night `->` the night before / the previous night 

`-` yesterday  `->` the day before / the previous day 

`-` ago `->` before 

`-` this `->` that 

`-` here `->` there  

`-` today `->` that day