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Prepositions after verbs

How to use expose with prepositions

Expose most commonly combines with to when someone experiences something harmful, new, or revealing. Other prepositions usually introduce separate meanings or sentence roles.

Quick answer

Main use of expose

Use expose to when someone or something is subjected to an influence, risk, or experience. By, in, as, and for are used in more specific structures.

expose children to music
exposed to sunlight
expose the fraud as a scam

Choose the pattern by meaning

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

1
expose to + influence/risk

Show contact with something

To is the standard preposition after expose in this meaning.

expose workers to chemicals
The trip exposed me to new cultures
2
expose as + identity

Reveal the true nature of someone or something

As identifies what someone or something is revealed to be.

expose the document as fake
The investigation exposed him as a liar
3
expose by + method

Describe means or agency

By can introduce how exposure happened, especially in passive structures.

The image was exposed by strong light
The secret was exposed by a journalist
4
expose in + context

Mention location or medium

In usually belongs to a larger phrase describing where exposure appears.

The issue was exposed in the report
The flaw was exposed in testing

See the difference in context

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

Construction
Example
Meaning
expose to
Parents should not expose babies to smoke.
Standard pattern for contact with an influence or condition.
expose by
The error was exposed by an auditor.
By introduces the agent or cause.
expose in
The problem was exposed in court.
In gives context or location.
expose as
The article exposed the story as false.
As identifies the revealed identity or status.
expose for
The photographer exposed the film for two seconds.
For can express duration in photography, not the common expose-to meaning.

Common mistakes

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

Using expose with no preposition before a person affected

Expose usually needs to before the thing experienced.

✕ They exposed children loud noise. ✓ They exposed children to loud noise.

Confusing expose as and expose to

As identifies a revealed identity; to shows contact or experience.

✕ The report exposed him to a fraud. ✓ The report exposed him as a fraud.

Using for in the wrong meaning

For is limited and not used for general exposure to experiences or risks.

✕ She was exposed for cold weather. ✓ She was exposed to cold weather.

Quick practice

Choose the expression that matches the intended meaning.

1. The training exposed staff ___ new techniques.
2. The article exposed the painting ___ a fake.
3. The weakness was exposed ___ testing.

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Frequently asked questions

What preposition usually follows expose?

The most common pattern is expose someone or something to something.

Can expose be used with as?

Yes. Expose as is used when revealing a true identity or nature.

Is expose for common?

Only in limited technical uses such as photography or duration. It is not the usual pattern for risks or experiences.

earmark-for-by-as-about, at "earn from", "earn by" or "earn in"? "ease into", "ease by" or "ease in"? "eat at", "eat with" or "eat in"? "echo in" or "echo by"? edit by, for, in, to or from? "educate in" or "educate at"? eject from, at, in, into or by? elaborate on, in, upon, by or about? "elect to" or "elect by"? elevate to, in, above, by or as? "eliminate from", "eliminate in" or "eliminate by"?

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