Prepositions after verbs

Sink into, sink to or sink in?

Sink into, sink to, and sink in are all standard but they express different ideas.

Quick answer

How are sink into, sink to, and sink in used?

Use sink into for movement downward into something, sink to for reaching a lower level or condition, and sink in when information gradually becomes understood.

Her boots sank into the mud.
The temperature sank to zero.
The news did not sink in immediately.

Choose the pattern by meaning

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

1
sink into + substance/place

Moving downward into something

Into shows physical or figurative movement inward and downward.

The stone sank into the sand.
He sank into despair.
2
sink to + level/state

Reaching a lower point

To introduces a level, amount, or condition.

Sales sank to a record low.
She refused to sink to insults.
3
sink in

Becoming fully understood

Sink in is a phrasal verb meaning to be gradually understood or accepted.

It took hours for the message to sink in
The reality finally sank in

See the difference in context

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

Construction
Example
Meaning
sink into
The chair sank into the carpet.
move downward into something
sink to
Profits sank to ten percent.
reach a lower level
sink in
The lesson finally sank in.
be understood gradually

Common mistakes

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

Using sink in for physical movement

Use sink into for movement into a substance or place.

✕ The boat sank in the mud. ✓ The boat sank into the mud.

Adding an object after sink in

Sink in usually does not take a direct object.

✕ The news sank in him. ✓ The news sank in.

Quick practice

Choose the expression that matches the intended meaning.

1. The wheels sank ___ the wet ground.
2. Their rating sank ___ last place.
3. It took time for the warning to sink ___.

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Frequently asked questions

Can sink into be figurative?

Yes. People can sink into depression, silence, or sleep.

Is sink in always intransitive?

Yes in this meaning. It does not normally take a direct object.

Can sink to describe behaviour?

Yes. It often describes reaching a morally low level, as in sink to violence.

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