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Prepositions after verbs

Shut off, out, on, for or behind

Shut off and shut out are common phrasal verbs with different meanings. Other combinations usually describe location or time rather than fixed verb patterns.

Quick answer

Main differences

Use shut off for stopping a supply or disconnecting something. Use shut out for preventing entry or involvement. Shut on is not a standard phrasal verb.

Please shut off the water supply.
They shut out outside voices.
She was shut in all winter.
He shut himself behind the door.

Choose the pattern by meaning

These forms are not interchangeable. Choose the construction by meaning, not by which preposition appears most often.

1
shut off + supply/device

Stopping or disconnecting something

Shut off commonly refers to stopping electricity, water, gas, or access.

They shut off the electricity.
Please shut off your phone.
2
shut out + person/group

Preventing access or participation

Shut out means exclude someone physically or emotionally.

The team shut out its rivals.
She felt shut out of the discussion.
3
shut for + period/reason

Giving a reason or duration

For often introduces the length of closure or the reason.

The museum is shut for repairs.
The road was shut for two days.
4
shut behind + object

Describing movement and position

Behind usually introduces a place or object after the action of shutting.

He shut the gate behind him.
She shut herself behind the curtains.

See the difference in context

The same subject can take different constructions because each sentence answers a different question.

Construction
Example
Meaning
shut off
They shut off the heating.
stop a supply or connection
shut out
He felt shut out of the group.
exclude or block
shut on
Please turn on the light.
not a standard phrasal verb with shut
shut for
The shop is shut for lunch.
closed because of a reason or period
shut behind
The door shut behind her.
behind introduces position or movement

Common mistakes

Some combinations appear in real text but do not mean what learners often assume.

Using shut on

English uses turn on rather than shut on.

✕ Can you shut on the TV? ✓ Can you turn on the TV?

Confusing shut off and shut out

Shut off means disconnect. Shut out means exclude.

✕ They shut off him from the meeting. ✓ They shut him out of the meeting.

Quick practice

Choose the expression that matches the intended meaning.

1. Please ___ the gas before leaving.
2. She felt ___ of the decision-making process.
3. The café is shut ___ renovations.

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Frequently asked questions

What is the difference between shut off and turn off?

Both can mean stop a device. Shut off is also common for supplies such as water or gas.

Is shut out always physical?

No. It can also describe emotional or social exclusion.

Can behind follow shut?

Yes. Behind often describes movement or position after something closes.

sack, by, sack, for, sack, from "sacrifice for" or "sacrifice to"? sail from, in, for, to or through? "salvage from" or "salvage in"? sanction by, for, in, with or according? satisfy with, by, in, about or after? "saturate with" or "saturate in"? save by, for, from, on or in? "say in", "say about" or "say to"? "scan for", "scan in" or "scan through"? "scar by" or "scar on"? scatter in, across, around, throughout or on?

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