As long as Meaning in English
expression
Definition
Used to say that one thing will happen or be true if another thing also happens or is true; similar to 'if' or 'provided that'. Can also mean 'for the duration that'.
Usage & Nuances
Common in both spoken and written English. Usually introduces a condition: 'as long as you...' (means 'if you...'). Not always about time—often means 'on the condition that'. Can also be used literally for time span: 'as long as the movie lasts'.
Example Sentences
You can play outside as long as you finish your homework first.
basic
We will stay here as long as it doesn't rain.
basic
You can borrow my book as long as you return it.
basic
I'm happy to help as long as you ask politely.
natural
You can stay over as long as you don't mind the couch.
natural
She'll keep singing as long as there's music to play.
natural