Home & living

leave something on

keep something switched on

To leave something on means to keep a device, light, or system switched on.

B1 very common speech & writing

expression

Hear it in real life

Why is the fan still running?

I left it on because the room was hot.

Play the conversation

I usually leave the hallway light on when I go out late.

The mistake everyone makes

Not: I left the lights switched.

Say: I left the lights on.

With this meaning, use 'on' after the object; 'left the lights switched' is incomplete.

Build it

How it fits in a sentence.

leave the heating on; left the lights on

Your turn: say it out loud

I usually leave the hallway light on when I go out late.

Say it out loud two or three times, until it feels like yours.

leave something on

keep something switched on

“I usually leave the hallway light on when I go out late.”

heytardy

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