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Prepositions after verbs

Contain in, within, on, by or between?

Contain usually takes a direct object. Some prepositions appear in passive or descriptive structures rather than fixed verb patterns.

Quick answer

Using contain naturally

Contain normally does not need a preposition: The box contains tools. Within often appears after contained in passive structures. Between may describe limits or relations.

The report contains several errors.
The damage was contained within one room.
The village is contained between two rivers.

Choose the pattern by meaning

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

1
contain + object

Stating what is inside

Contain directly takes the thing included.

The package contains spare parts.
2
contained within + area

Limiting something to an area

Within emphasises boundaries or limits.

The infection was contained within the ward.
3
contained in + container/text

Location in a place or document

In introduces the surrounding place or source.

The details are contained in the appendix.
4
contained between + limits

Position between two points

Between describes two surrounding limits.

The park is contained between residential blocks.

See the difference in context

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

Construction
Example
Meaning
contain in
The evidence is contained in the report.
common in passive structures
contain within
The fire was contained within the building.
emphasises limits or boundaries
contain on
The label contains instructions on safety.
on belongs to instructions, not directly to contain
contain by
The leak was contained by emergency crews.
by introduces the agent in passive voice
contain between
The valley is contained between steep hills.
describes surrounding limits

Common mistakes

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

Using on directly after contain

Contain does not normally take on as its own preposition.

✕ The box contains on several tools. ✓ The box contains several tools.

Adding unnecessary prepositions

Contain usually works directly with its object.

✕ The file contains in useful data. ✓ The file contains useful data.

Quick practice

Choose the expression that matches the intended meaning.

1. The bottle contains ___ cleaning liquid.
2. The outbreak was contained ___ the city.
3. The instructions are contained ___ the manual.

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Frequently asked questions

Can contain be used passively?

Yes. Phrases like contained in and contained within are common.

Is contain between common?

It is possible when describing physical limits or boundaries.

Do I need a preposition after contain?

Usually no. Contain normally takes a direct object.

calculate, by, calculate, in, calculate, from "call for" or "call on"? "campaign for" or "campaign against"? cancel by, due, at, in or for? capitulate to, in, like, by or after? captivate by, for, with, from or in? "capture by" or "capture in"? "care about" or "care for"? carry with, by, in, to or into? carve into, out, in, on or with? cast in, into, for, by or on? "catch in", "catch by" or "catch on"?

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