Prepositions after adjectives

Participating in, of, on, at or for?

Participating is normally followed by in for activities, events, or groups. Other prepositions usually introduce separate details such as place or purpose.

Quick answer

The usual pattern is participating in

Use participating in to talk about taking part in an activity, event, discussion, or programme. Prepositions such as at or for can appear later in the sentence as separate details, not as the main complement of participating.

She is participating in the workshop.
Hundreds are participating in the charity run.
They were participating in the debate at school.

Choose the pattern by meaning

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

1
participating in + activity

Taking part in something

Use in for events, projects, discussions, and activities.

We are participating in a training course.
2
participating in + organisation

Belonging actively to a group effort

Use in with programmes, campaigns, or community groups.

She enjoys participating in local politics.
3
participating at + place

Adding a location

At usually gives the location of participation, not the object of participating.

They are participating in the conference at the university.
4
participating for + purpose/team

Expressing purpose or representation

For may show the team, company, or cause represented.

He is participating for his school team.

See the difference in context

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

Construction
Example
Meaning
participating in
She is participating in the survey.
Standard pattern for taking part.
participating of
The phrase participating of is not standard in current English.
Avoid this construction.
participating on
He is participating on the committee.
Sometimes heard in institutional contexts, but participating in the committee is more natural.
participating at
They are participating at the festival grounds.
At introduces a place, not the activity itself.
participating for
She is participating for her department.
For can show representation or purpose.

Common mistakes

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

Using of after participating

Participating normally takes in, not of.

✕ She is participating of the project. ✓ She is participating in the project.

Confusing place with activity

At usually names a location.

✕ They are participating at the workshop. ✓ They are participating in the workshop.

Using on instead of in

In is the standard choice for committees and projects.

✕ He is participating on the campaign. ✓ He is participating in the campaign.

Omitting the preposition

Participating usually needs in before the activity.

✕ She is participating the event. ✓ She is participating in the event.

Quick practice

Choose the expression that matches the intended meaning.

1. Many students are ___ the science fair.
2. They were participating in the concert ___ the town hall.
3. He is participating ___ his regional team.

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Frequently asked questions

Is participating of correct English?

No. Standard English uses participating in.

Can I say participating at an event?

Usually say participating in an event. At is mainly for the location.

Can participating be followed by for?

Yes, when you mean representing or acting for a group or cause.

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