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Prepositions with nouns

Prepositions used with documentary

Documentary is commonly followed by prepositions that show topic, creator, or inclusion in a series.

Quick answer

Which prepositions are used with documentary?

The most common patterns are documentary on and documentary about for topics, documentary by for the creator, and documentary in for inclusion in a collection or programme. Documentary of exists in some formal contexts. Documentary to and documentary for are uncommon as fixed combinations.

We watched a documentary on ocean life.
She produced a documentary by a local filmmaker.
The film appeared documentary in the festival lineup.

Choose the pattern by meaning

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

1
documentary on + topic

Talking about the subject

Use on to introduce the topic of a documentary.

They released a documentary on renewable energy.
2
documentary about + topic

Talking about the subject informally

About is also common for the subject of a documentary.

I saw a documentary about ancient cities.
3
documentary by + creator

Naming the filmmaker or producer

Use by to identify who made the documentary.

We studied a documentary by Ken Burns.
4
documentary in + collection/event

Showing inclusion or placement

Use in when the documentary is part of a series, event, or category.

Her film was the best documentary in the competition.

See the difference in context

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

Construction
Example
Meaning
documentary on
They aired a documentary on volcanoes.
shows the topic
documentary about
I enjoyed the documentary about jazz music.
shows the topic in a more conversational way
documentary by
We watched a documentary by a French director.
names the creator
documentary for
They made a documentary for school television.
for can show purpose or audience, not a fixed noun pattern
documentary to
They added music to the documentary.
to usually belongs to another part of the sentence, not directly to documentary
documentary of
The archive contains a documentary of wartime life.
formal or descriptive use showing content

Common mistakes

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

Using documentary to as a direct combination

Documentary to is not normally used directly after the noun.

✕ a documentary to wildlife ✓ a documentary on wildlife

Using for instead of on for a topic

Use on or about for the subject of the documentary.

✕ a documentary for space travel ✓ a documentary about space travel

Confusing by and about

By introduces the creator, while about introduces the topic.

✕ a documentary by climate change ✓ a documentary about climate change

Quick practice

Choose the expression that matches the intended meaning.

1. They produced a documentary ___ endangered species.
2. We watched a documentary ___ a famous photographer.
3. Her film won best documentary ___ the festival.

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Frequently asked questions

Is documentary on correct?

Yes. Documentary on is very common for introducing a topic.

Can I use documentary about instead of documentary on?

Yes. Both are natural, although about is often slightly more conversational.

Is documentary for incorrect?

Not always. It can describe purpose or audience, but it is not the usual way to introduce the topic.

of, about, against, to or for racism? of, about, for, in or on friendship? of, about, for, on or to thing? of, about, for, to or with sex? of, about, on, to or for moon? "of access" or "with access"? "of accommodation" or "for accommodation"? "of accuracy" or "for accuracy"? "of action" or "in action"? "of actor", "with actor" or "by actor"? "of address" or "to address"? "of administration" or "in administration"?

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