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Prepositions after verbs

Register with, in, or for?

Register with usually names an organisation, register for names an event or service, and register in is uncommon as a fixed pattern.

Quick answer

Which preposition goes with register?

Use register with for the organisation you join or report to, and register for for a course, event, or service. Register in is not a standard fixed combination after register, though in can appear as a place adjunct.

You must register with the local doctor.
She registered for the conference online.
Students can register for extra classes.

Choose the pattern by meaning

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

1
register with + organisation

Naming the authority or service

Use with when referring to the institution, company, or authority where someone is officially recorded.

All residents must register with a local clinic.
The business is registered with the tax office.
2
register for + event/service

Joining a course, event, or activity

Use for when signing up to attend, receive, or participate in something.

I registered for the training session.
They registered for email alerts.
3
register as + role/status

Stating an official status

Use as to show the category or status under which someone is recorded.

She registered as an independent voter.
4
register in + place

Using in as a location adjunct

In is usually not selected by register itself. It can describe the place where registration happens.

Guests can register in the main lobby.

See the difference in context

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

Construction
Example
Meaning
register with
You must register with the embassy.
Shows the organisation or authority.
register for
He registered for the workshop.
Shows the event, course, or service joined.
register in
Visitors register in the reception area.
In usually refers to location, not a fixed verb-preposition pattern.
register as
The company registered as a charity.
Shows official status or category.

Common mistakes

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

Using register in for events

For is the normal choice when signing up for activities or services.

✕ She registered in the seminar. ✓ She registered for the seminar.

Confusing organisation and event

With names the authority or provider, while for names the activity or service.

✕ I registered with the course. ✓ I registered for the course.

Omitting the needed preposition

Register often needs a preposition to complete the meaning.

✕ They registered the conference. ✓ They registered for the conference.

Quick practice

Choose the expression that matches the intended meaning.

1. You need to ___ the university health service.
2. She registered ___ the photography class.
3. Guests should register ___ the front desk.

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Frequently asked questions

Is register in ever correct?

Yes, but usually as a location phrase, such as register in the lobby, not as the main verb-preposition combination.

Can I say register to?

Register to is uncommon in this meaning. Standard English usually uses register for or register with.

What is the difference between register with and register for?

Register with names the organisation, while register for names the activity, service, or event.

radiate-from-into-around-to, with "raise in" or "raise by"? rake in, through, across, at or over? rally in, around, to, behind or on? "rape by" or "rape in"? ratify by, in, on, according or as? ravage by, from, on, through or with? rave about, at, from, to or before? reach for, by, at, to or into? react to, with, in, by or like? read about, in, on, through or for? "realize in", "realize at" or "realize by"?

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