Câu mệnh lệnh :
+Vo + O , please
+Don't + Vo , please
⇒ S + told / asked + someone ( not) + to + Vo
Câu trần thuật
S1 + said + ( that) + S2 + V ( lùi thì ) : S1 có thể giống hoặc khác S2
cách lùi thì :
+ S + Vs/es/ Vo.. ⇒ S + V quá khứ ...
+S + don't/ doesn't + Vo... ⇒ S + didn't + Vo...
+ S + is/are/am...⇒S + was/were..
+ S + V(quá khứ)/ has,have + Vpp ...⇒S + had + Vpp
+S + can / will / must+ Vo ... ⇒ S + could / would/ had to + Vo...
Câu hỏi :
S + asked + someone + if/ wether + S + V lùi thì..
S + asked + someone + từ để hỏi ( What/where/who ...)+ S + V lùi thì..
