MAKE + OBJECT + ZERO INFINITIVE
Use: to say what a person obliges another person to do.
She makes me study a lot (= She obliges me to study a lot).
Past tense: made
She made me study a lot.
LET + OBJECT + ZERO INFINITIVE
Use: to talk about giving permission.
I’ll let you go out tonight. (= I give you
permission to go out tonight).
Past tense: let
I let you go out that night.
BE ALLOWED + TO
INFINITIVE
Use: to say what you can/can’t do.
We aren’t allowed to smoke in the office. (= We can’t smoke in the office).
We are allowed to smoke in the office. (= We can smoke in the office).
Past tense: was/were allowed
We were allowed to smoke in the office.