Prepositions after verbs

Campaign for or against?

Campaign for supports something. Campaign against opposes something.

Quick answer

Choosing the right preposition

Use campaign for to support a cause, person, or change. Use campaign against to oppose something.

They campaigned for cleaner air.
Residents campaigned against the new highway.

Choose the pattern by meaning

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

1
campaign for + cause

Supporting something

For introduces the goal or cause you support.

She campaigned for equal pay.
2
campaign against + issue

Opposing something

Against introduces the target of opposition.

Doctors campaigned against smoking.

See the difference in context

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

Construction
Example
Meaning
campaign for
Volunteers campaigned for the candidate.
support a person or idea
campaign against
Citizens campaigned against corruption.
oppose a person or idea

Common mistakes

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

Using the wrong direction of meaning

For and against express opposite ideas.

✕ They campaigned for the ban because they opposed it. ✓ They campaigned against the ban because they opposed it.

Missing the object

Campaign usually needs a clear cause or target.

✕ The group campaigned. ✓ The group campaigned for safer roads.

Quick practice

Choose the expression that matches the intended meaning.

1. Students campaigned ___ lower fees.
2. The charity campaigns ___ animal cruelty.
3. They campaigned for voters ___ early.

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Frequently asked questions

Can campaign for be political?

Yes. It is common in politics and social causes.

Is campaign against always negative?

It expresses opposition, often to a policy or problem.

Can I use campaign without a preposition?

Yes, but the cause or goal is often added for clarity.

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