`-` Tường thuật :

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

`-` Tường thuật NV ( Yes / No ) :

`=>` S + asked + O + if / whether + S + V ( lùi thì )

`-` HTĐ `->` QKĐ : S + Ved / V2 `-` S + was / were + adj / n

`-` TLĐ `->` TLTQK : S + would + V

`1`.Lan said that she had to wear uniform when she was at school

`2`.The young man asked Mary if she saw the woman over there

`3`.I asked Mr and Mrs Green whether they would go to Nha Trang on their holiday the following month

`4`.She asked Lan whether she enjoyed that book

`5`.Linh said that her brother didn't like eating that kind of food

`6`.This building was built in the $18^{th}$ century

`->` BĐ `-` QKĐ : S + was / were + VpII ( by O )

`=>` He , She , It `+` was

`\text{# TF}`