Prepositions after verbs

Handle by or handle in

Handle usually takes a direct object: handle a problem, handle customer complaints. By and in can appear in separate structures, but they are not the main fixed patterns after handle.

Quick answer

How do you use handle?

Use handle directly with the thing being managed or dealt with. Handle by often appears in passive instructions such as handled by staff. Handle in is uncommon as a fixed pattern, although in may introduce a place or field.

She can handle difficult clients.
All requests are handled by the support team.
He has experience handling cases in finance.

Choose the pattern by meaning

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

1
handle + task/problem

Managing or dealing with something

Handle usually takes a direct object with no preposition.

Can you handle the situation?
She handled the interview calmly.
2
handled by + person/team

Naming the responsible person

Use by in passive structures to show who manages something.

Complaints are handled by trained staff.
The case was handled by a specialist.
3
handle in + field/place

Adding a context or area

In may introduce a field, department, or place, but it is not a fixed partner selected by handle.

She handles recruitment in the London office.
They handle disputes in family law.

See the difference in context

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

Construction
Example
Meaning
handle
He handled the crisis well.
Standard direct-object pattern.
handled by
Orders are handled by the sales team.
Passive structure showing responsibility.
handle in
She handles accounts in the Paris office.
In adds a place or field, not a fixed verb pattern.
handle by
The issue was handled by management.
By is natural mainly in passive sentences.

Common mistakes

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

Adding an unnecessary preposition

Handle usually connects directly to its object.

✕ She handled with the complaint. ✓ She handled the complaint.

Using handle in as a fixed pattern

In normally adds context or location only.

✕ He handles in customer service. ✓ He works in customer service and handles complaints.

Using by in active sentences incorrectly

By usually appears in passive structures after handled.

✕ They handle by the support team the requests. ✓ The requests are handled by the support team.

Quick practice

Choose the expression that matches the intended meaning.

1. Can you ___ this problem today?
2. Customer emails are ___ a separate department.
3. She handles legal matters ___ the healthcare sector.

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Frequently asked questions

Do I need a preposition after handle?

Usually no. Handle normally takes a direct object.

Is handled by correct?

Yes. It is common in passive sentences that identify who is responsible.

Can handle in be correct?

Yes, when in introduces a field, department, or place rather than acting as a fixed partner of the verb.

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