Lấy 2 ví dụ về:
S+have+O (chỉ người) +bare_infinitive
We have the plumber fix broken pipes.
S+get+O (chỉ người) +to_V
She got her children to decorate their house.
Lấy 2 ví dụ về S+ have/get+O ( chỉ vật)+Pπ
I had my housework done by my friends.
I got the floor cleaned by my mother.