`color{red}{~Answer~}`

`4`. My friends said to us that they would go to the zoo with their friends the next Sunday.

S + said to + O + (that) + S+ V (lùi thì)

will → would 

next Sunday → the next Sunday / the following Sunday 

`5`. She told me to close the window.

S + told + O + to V: tường thuật - dạng câu mệnh lệnh 

`6`. He reminded me to call my mother.

S + reminded + O + to V: gợi nhớ, nhắc nhở 

`7`. Nam invited Lan to come to his birthday party.

S + invited + O + to V: mời ai làm gì 

`8`. The policeman ordered him not to park his car there.

S + ordered + O + (not) to V: ra lệnh ai (không) làm gì 

here → there 

`9`. She advised me to take an umbrella because it might rain.

S + advised + O + to V: khuyên ai làm gì 

may → might 

`color{blue}{~Jimin~}`