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Prepositions before nouns

Conference with at, in, to, and for

Conference combines with different prepositions depending on meaning. At a conference refers to attendance, in conference means in a formal meeting, and conference on or about introduces a topic.

Quick answer

Which prepositions are used with conference?

Use at a conference for attendance or location, in conference for being in a formal meeting, and conference on or about for a topic. To conference can appear after verbs such as go or travel. For conference usually refers to purpose, not a fixed combination. Of conference is not a normal modern combination before the noun.

She presented her research at the conference.
The director is currently in conference with clients.
We attended a conference on climate policy.

Choose the pattern by meaning

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

1
at + conference

Showing attendance or location

Use at with conference to say where someone is participating or present.

Several investors spoke at the conference.
I met her at a medical conference.
2
in conference

Referring to a formal meeting

In conference means engaged in a discussion or official meeting.

The committee is in conference until noon.
She cannot answer calls while in conference.
3
conference on + topic

Naming the subject of a conference

Use on before the topic discussed at the conference.

They organised a conference on urban transport.
We joined a conference on renewable energy.
4
to + conference

Movement toward a conference

To is used with verbs of movement before conference.

She travelled to the conference in Berlin.
Hundreds of delegates came to the conference.
5
for + conference

Expressing purpose or scheduling

For can introduce the reason for travel or an arranged event.

They flew to Tokyo for the conference.
The hotel is booked for the conference week.

See the difference in context

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

Construction
Example
Meaning
at a conference
I met several editors at a conference.
Shows presence or participation at the event.
in conference
The judges are in conference.
Means involved in a formal discussion or meeting.
to the conference
She drove to the conference early.
Shows movement toward the event.
for the conference
We reserved extra rooms for the conference.
Shows purpose or preparation connected with the event.
of conference
The phrase of conference is not a standard fixed combination before conference.
Usually unnatural unless conference is part of a larger noun phrase such as minutes of the conference.

Common mistakes

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

Using of conference as a fixed phrase

English normally does not use of directly before conference as a standard combination.

✕ They arrived of conference. ✓ They arrived at the conference.

Confusing in conference with at a conference

In conference means in a meeting, not simply attending an event.

✕ We met many scientists in conference. ✓ We met many scientists at the conference.

Using to conference without a movement verb

To usually follows verbs like go, travel, or come.

✕ She was to conference yesterday. ✓ She went to the conference yesterday.

Quick practice

Choose the expression that matches the intended meaning.

1. We spoke to several publishers ___ the conference.
2. The board is currently ___ conference.
3. They organised a conference ___ public health.

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Frequently asked questions

Is in conference formal?

Yes. It is mainly used in business, legal, and official contexts to mean in a meeting.

Can I say at conference without an article?

Usually English uses an article: at a conference or at the conference.

What preposition introduces the topic of a conference?

On is the most common choice, as in a conference on education.

"across border" or "of border"? as, in, of, to or for part? 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, 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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