`C`âu tường thuật NV : S + asked + O + if / whether / wh + S + V ( lùi thì )

`-` HTĐ `->` QKĐ : S + Ved / V2

`-` HTĐ `->` QKĐ ( ĐT Tobe ) : S + was / were + adj / n

`-` QKĐ / HTHT `->` QKHT : S + had + V3 / PII

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

`-` QKTD `->` QKHTTD : S + had been + V-ing

`-` Could `->` Could ( Không thể lùi )

`1`.I asked if they lived in the city centre

`2`.Dad asked Theo how many people had been at the party

`3`.Rachel asked if the boat had been moving fast

`4`.I asked them whether they could see the band well

`5`.She asked Tim why he hadn't bought the car

`6`.Manolo asked what time they were leaving

`\text{# Kirigiri}`