`1.` She advised Lan not to tell her about that.

`-` CT : advise sb to V-inf/not to V-inf ( khuyên ai làm gì/không làm gì )

`2.` They said that there were enough seats if a lot of guests came.

`-` Câu tường thuật : S + said + (that) + S + V(lùi thì)

`-` Biến đổi thì : HTD `->` QKD

`3.` The boy said there was a well next to his house.

`-` Biến đổi thì : HTD `->` QKD

`4.` He said that his mother could cook very well.

`-` Biến đổi thì : can `->` could ( dạng QK )

`5.` The man told me that Tom had gone home late the day before.

`-` Biến đổi thì : QKD `->` QKHT

`-` Biến đổi thời gian : yesterday `->` the day before

`6.` The girls told Linda that book was new but those books were old.

`-` Biến đổi thì : HTD `->` QKD

`-` Biến đổi : this `->` that

`1` She advised Lan not to tell her about that

this `->` that

`->` S + advised + sb + ( not ) + to V : khuyên ai ( không ) nên làm gì

`2` They said to Mai that there were enought seats if a lot of guests came

are `->` were

come `->` came

`->` S + said to + sb + ( that ) + S + V-lùi thì

`3` The boy said that there was a well next to his house

is `->` was

my `->` his

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

`4` He said that his mother could cook very well

my `->` his

can `->` could

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

`5` The man told me that Tom had gone home late the day before

went `->` had gone

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

`->` S + told + sb + ( that ) + S + V-lùi thì

`6` The girls told Linda that book was new but those books were old

this `->` that

is `->` was

are `->` were

`->` S + told + sb + ( that ) + S + V-lùi thì

$baoyen.$