The causative verb is a common structure in English. It shows that somebody or something is indirectly responsible for an action. The most common causative verbs are Make, Get, Have, Let.
Causative Verbs List
Form: Subject + Have + Person + Base Form of Verb
This construction means “to authorize someone to do something”.
I had the mechanic check the brakes.
Dr. Smith had his nurse take the patient’s temperature.
Form: Subject + Get + Person + To + Verb
This construction usually means “to convince someone to do something” or “to trick someone into doing something.”
The students got the teacher to dismiss class early.
We couldn’t get him to sign the agreement.
Form: Subject + Make + Person + Base Form of Verb
This construction means “to force someone to do something”.
She made her son clean his room.
My teacher made me apologize for what I had said.
Form: Subject + Let + Person + Base Form of Verb
This construction means “to allow someone to do something.”
Henry let me drive his new car.
Will your parents let you go to the party?
I don’t know if my boss will let me take the day off.
Have Something Done & Get Something Done
HAVE is slightly more formal than GET in “Have something done” and “Get something done”.
I had my hair cut last Saturday.
She had the car washed at the weekend.
I really must get my eyes tested. I´m sure I need glasses.
She got her hair cut.