`1.` My mom told me Tidy my room then.

`->` said to + O -> told + O

`->` now -> then

`->` Lùi thì: HTĐ -> QKĐ

`2.`  Hellen’s teacher to the students said to not make a mess.

`->` S + said/told/... + to not + V_inf

`3.` Karen told me not to play football in the garden.

`->` Cấu trúc câu mệnh lệnh gián tiếp: S + told/ asked + O +(not) + to + V_inf: Bảo, yêu cầu ai làm gì

`4.` The teacher asked me not to forget my homework.

`5.` The doctor asked his patient if/ whether to do exercise regularly.

`->` Cấu trúc: S1 + asked +(O) + if/ whether + S2  + V_lùi thì

`6.` The teacher told Tom to correct those grammatical mistakes in his work then.

`->` said to + O -> told + O

`->` Gián tiếp:these -> those 

`->` Gián tiếp: now -> then

`7.` John asked me to wait for him outside his office.

`->` Gián tiếp: Your -> He

`->` Cấu trúc câu mệnh lệnh gián tiếp: S + told/ asked + O +(not) + to + V_inf: Bảo, yêu cầu ai làm gì