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Prepositions after verbs

Comb through, at, before, in or out?

Comb through and comb out are standard verb patterns. Other prepositions such as at, before, and in usually add separate information about time or place.

Quick answer

Which combinations with comb are standard?

Use comb through for searching carefully and comb out for removing tangles from hair. Comb at is not standard. In and before usually introduce place or time details rather than fixed verb patterns.

Investigators combed through the records.
She combed out her wet hair.
The stylist combed her hair before the ceremony.

Choose the pattern by meaning

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

1
comb through + collection/place

Searching carefully

Comb through means to examine something thoroughly to find information or objects.

Reporters combed through the documents.
Police combed through the area for clues.
2
comb out + hair

Removing tangles

Comb out means to straighten or untangle hair.

She combed out the knots.
He combed out his beard.
3
comb in + place

Adding location information

In can describe where the combing happens, but it is not a fixed complement after comb.

She combed her hair in the bathroom.
The stylist worked in a small studio.
4
comb before + event

Adding a time reference

Before introduces the time of the action rather than a special verb pattern.

He combed his hair before the interview.
They searched the files before the meeting.

See the difference in context

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

Construction
Example
Meaning
comb through
Auditors combed through the accounts.
Search or examine carefully.
comb out
She combed out her curls.
Untangle or straighten hair.
comb at
He pulled at his hair with a comb.
Comb at is not a standard verb pattern.
comb in
She combed her hair in the dressing room.
In introduces a place, not a fixed combination.
comb before
He combed his hair before class.
Before introduces a time expression.

Common mistakes

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

Using comb at as a fixed pattern

English does not normally use comb at in this way.

✕ They combed at the files for evidence. ✓ They combed through the files for evidence.

Confusing comb through with hair styling

Comb through usually means searching carefully, not ordinary hair brushing.

✕ She combed through her hair quickly. ✓ She combed her hair quickly.

Using comb out for document searches

Comb out is mainly used for hair.

✕ Investigators combed out the archive. ✓ Investigators combed through the archive.

Quick practice

Choose the expression that matches the intended meaning.

1. The detectives ___ the database for names.
2. She ___ her hair after swimming.
3. He combed his hair ___ the interview.

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Frequently asked questions

What does comb through mean?

It means to search or examine something very carefully.

Can comb out be used for things other than hair?

Usually it refers to hair or fibres being untangled or straightened.

Is comb at correct English?

Not as a normal verb pattern. Use comb through, comb out, or simply comb.

calculate, by, calculate, in, calculate, from "call for" or "call on"? "campaign for" or "campaign against"? cancel by, due, at, in or for? capitulate to, in, like, by or after? captivate by, for, with, from or in? "capture by" or "capture in"? "care about" or "care for"? carry with, by, in, to or into? carve into, out, in, on or with? cast in, into, for, by or on? "catch in", "catch by" or "catch on"?

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