ENGLISH
REFERENCE

turn sth off

phr. v..
A2 Elementary Oxford

phr. v.. to stop a machine or a light from working by using a switch or button.

phr. v.. to stop the operation or flow of a device, appliance, or supply by means of a switch, valve, or control.


SIMPLE

Please turn the lights off when you leave.

CONTEXTUAL

I always turn my phone off before the movie starts so it doesn't ring.

COMPLEX

The technician had to turn the main power off before he could safely inspect the damaged electrical wiring in the basement.

Particles
off
Separability
optional
Pattern
turn + (object) + off
Usage

used with electrical devices, engines, or water and gas supplies.

Teaching tip

this is a separable phrasal verb; remind students that if the object is a pronoun like 'it', it must go in the middle.

Pitfall

Turn off it.Turn it off.when the object is a pronoun, it must be placed between the verb and the particle.

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