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Prepositions with nouns

How to use part with prepositions

Part combines with several prepositions depending on meaning, including of for membership and in for involvement.

Quick answer

Key patterns

Use part of for membership or inclusion, part in for involvement, and as part of for role within a whole.

She became part of the team
He took part in the discussion
The trip was organised as part of a training programme

Choose the pattern by meaning

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

1
part of + whole

Belonging to a larger whole

This is the most common structure with part.

The engine is part of the machine
2
part in + activity

Involvement in an activity

Use part in after take or play.

She played a part in the decision
3
as part of + group

Role within something larger

Use as part of for inclusion in a process or organisation.

He travelled as part of the delegation
4
to part with

Separate from something

Part can also act as a verb with with.

She refused to part with the necklace
5
for my part

Personal viewpoint

This fixed phrase introduces an opinion.

For my part, I agree with the proposal

See the difference in context

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

Construction
Example
Meaning
part of
This chapter is part of the course.
belonging to a whole
part in
He had a part in the project.
involvement
as part of
We met as part of the programme.
within a larger activity
for my part
For my part, the plan is reasonable.
from my perspective
part with
I cannot part with these books.
give up possession

Common mistakes

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

Using part in for membership

Part of is standard for belonging.

✕ She is part in the group. ✓ She is part of the group.

Missing of after part

Part often needs of before the whole.

✕ part the system ✓ part of the system

Confusing part in and participate in

Part in is less common without take or play.

✓ He took part in the race.

Using to after part of

Use of for inclusion.

✕ part to the team ✓ part of the team

Quick practice

Choose the expression that matches the intended meaning.

1. She took part ___ the ceremony.
2. This wheel is part ___ the machine.
3. ___ my part, I support the change.

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Frequently asked questions

What is the most common preposition with part?

Of is the most common, especially in part of.

Do we say part in or part of?

Part of means belonging, while part in refers to involvement.

Can part be a verb?

Yes. For example, part with means give up possession.

"across border" or "of border"? at, from, of, to or for home? at, of, after, on or for launch? At, of, in, from or with bay? at, of, in, to, from, airport at, of, to, above or by sea? at, of, to, for or in conference? at, of, to, in or for university? at, of, without, for or on fault? "at rest" or "of rest"? "at risk" or "of risk"?

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