Prepositions with nouns

Of race or on race?

Both of race and on race can appear in English, but they are used in different structures. Neither is a general fixed expression.

Quick answer

How are these phrases used?

Of race usually appears after another noun, as in issues of race. On race is used with verbs or nouns about a topic, as in a lecture on race.

They discussed issues of race and identity.
She gave a talk on race in modern literature.

Choose the pattern by meaning

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

1
issues of race

Describing a subject area

Of race can link a broad noun such as issue, question, or matter to the topic race.

The course explores questions of race and class.
2
discussion on race

Talking about a topic

On race is common after nouns like discussion, debate, article, or lecture.

We attended a seminar on race and migration.
3
race against + person/time

Competition or urgency

Race against describes competing with someone or struggling against time.

It became a race against time before the storm arrived.

See the difference in context

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

Construction
Example
Meaning
of race
The novel raises questions of race.
Possible after nouns that introduce a subject or category.
on race
She published an article on race and education.
Standard for a topic of discussion or writing.
race against
The team is in a race against time.
Competition or urgent effort.
race for
The candidates entered the race for mayor.
Competition to achieve a position or prize.

Common mistakes

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

Using on race directly after race

On race usually follows another noun such as article or lecture.

✕ We discussed race on race. ✓ We discussed race issues.

Using of race as a general modifier

Of race works in limited structures like issues of race.

✕ the of race debate ✓ the debate on race

Quick practice

Choose the expression that matches the intended meaning.

1. She wrote an article ___ race and media.
2. The book explores issues ___ race.
3. The rescue became a race ___ time.

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Frequently asked questions

Is on race grammatically correct?

Yes, when race is the topic of something, such as a lecture on race.

When can I use of race?

Use it after nouns like issues, questions, or matters.

What is the most common preposition with race for topics?

On is widely used after nouns related to speech, writing, and discussion.

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