`-` Câu tường thuật :

`+` S + said + that + S + V ( lùi thì )

`+` S + said to / told + O + that + S + V ( lùi thì )

`-` HTĐ `->` QKĐ : S + Ved / V2

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

`-` TLĐ `->` TLTQK : S + would + V

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

`-` Can `->` Could

`1`.The scientist said that cloning would become more popular in the following century

`2`.Our teacher told us that parents didn't allow children to play computer games for a long period of time

`3`.The teacher told his patient that nutirtion pills could cause serious side effects

`4`.The politician told the audience that wrong decisions in Chernobyl had caused a big nulcear explosion

`5`.Jane's mother said that her daughter was writing a letter to her French friends then

`6`.My friend told me that they would go sightseeing in Sapa the following week

`\text{# Kirigiri07}`