Difference between allow, permit and let
These words have similar meanings. Permit is more formal than allow.
- Smoking is not allowed / permitted.
Both allow and permit can be followed by object + infinitive.
- We do not allow / permit our kids to stay up late.
- We do not allow / permit people to smoke in the house.
- Please allow / permit me to go.
An -ing form is used after allow / permit if there is no personal object.
- We do not allow / permit smoking in the house.
Permit can be used in the passive form with it. Passive forms of allow cannot be used with it.
- It is not permitted to smoke in the house. (NOT It is not allowed to smoke in the house.)
With adverb particles only allow is used.
- She wouldn't allow me in. (NOT She wouldn't permit me in.)
Let is less formal than allow and permit. It is followed by an object + infinitive without to.
- Please allow me to get you a drink. (Quite formal)
- Please let me get you a drink. (Rather informal)
Passive structures with let are not usually possible.
- I wasn't allowed to go. (NOT I wasn't let go.)
Let can be used with adverb particles like in and out.
- She wouldn't let me in.
Difference between do and make
Common Difference between Yes and No New!
Common Difference between Whose and Who's New!
Common Difference between Why and Why not New!
Common Difference between Would and Used to New!
Common Difference between When and If New!
Common Difference between In the Way and On the Way New!