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Prepositions with nouns

How to use prepositions with impact

Impact commonly appears in phrases like impact on something. Of impact and to impact are possible in limited grammatical contexts, but they are not interchangeable.

Quick answer

Using of impact and to impact

Of impact usually follows another noun, such as the scale of impact. To impact is not a common fixed phrase with the noun impact, but to can follow impact in structures like damage to impact resistance or as part of the verb impact. The most common noun pattern is impact on.

the economic impact on local businesses
the scale of impact was underestimated
research on the impact of climate change

Choose the pattern by meaning

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

1
impact on + target

Showing what is affected

Use impact on to identify the person, thing, or area affected.

The policy had a major impact on small companies
2
impact of + cause

Showing the source of an effect

Use impact of to identify what creates the effect.

Scientists studied the impact of pollution
3
of impact

Using impact after another noun

Of impact appears in larger noun phrases such as level of impact or point of impact.

Engineers measured the point of impact
4
to impact

Distinguishing noun and verb uses

To impact is more natural when impact is a verb, as in factors that impact sales. It is not usually a fixed noun-preposition combination.

Several factors continue to impact housing prices

See the difference in context

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

Construction
Example
Meaning
of impact
The point of impact was marked clearly.
Part of a larger noun phrase.
to impact
The new law may impact hiring decisions.
Usually involves impact as a verb, not a noun plus preposition.
impact on
The storm had an impact on transport.
Shows what is affected.
impact of
We discussed the impact of automation.
Shows the source or cause of the effect.

Common mistakes

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

Using to impact as a noun pattern

Impact normally takes on or of as a noun.

✕ the impact to the economy ✓ the impact on the economy

Confusing impact on and impact of

On identifies what is affected; of identifies the cause.

✕ the impact on pollution ✓ the impact of pollution

Using of impact without context

Of impact usually needs another noun before it.

✕ They analysed of impact. ✓ They analysed the level of impact.

Quick practice

Choose the expression that matches the intended meaning.

1. The decision had a serious impact ___ workers.
2. Researchers examined the impact ___ social media.
3. Engineers inspected the point ___ impact.

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Frequently asked questions

Is impact on the standard noun pattern?

Yes. Impact on is the most common way to show what is affected.

Can I say impact to?

It is uncommon with the noun impact. English usually uses impact on instead.

Why does to impact sometimes appear?

Because impact can also be a verb, as in policies that impact employment.

of, about, against, to or for racism? of, about, for, in or on friendship? of, about, for, on or to thing? of, about, for, to or with sex? of, about, on, to or for moon? "of access" or "with access"? "of accommodation" or "for accommodation"? "of accuracy" or "for accuracy"? "of action" or "in action"? "of actor", "with actor" or "by actor"? "of address" or "to address"? "of administration" or "in administration"?

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