Meaning trap

come in

be relevant

to become important, relevant, or applicable in a particular situation, especially when discussing how or when something starts to have an effect.

phrasal verbC1occasional

Don't mix these meanings

Same phrase, different job.

be relevant

to become important, relevant, or applicable in a particular situation, especially when discussing how or when something starts to have an effect.

come in (enter (a place))

'come in' also has the more basic meaning 'enter (a place)'; this is the advanced sense.

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Hear it in context

Notice where the phrase sounds natural.

This is where your previous experience really comes in, as it helps you handle unexpected challenges.discourse
Critical thinking skills come in when students are required to evaluate conflicting sources of information.IELTS speaking

Fix the pattern

Pattern: come in (when/where/how)

WrongThis is where experience comes in to it.

RightThis is where experience comes in.

'Come in' stands alone here ('this is where X comes in') — don't tack 'to it' on.

Patterncome in (when/where/how)

Use it right

Choose the version that sounds natural in speech.

Stiff At which point does my particular role become relevant in this process?

Natural So where do I come in?

'Where do I come in?' is the natural way to ask about your role; the formal version is convoluted.

Build natural chunks

Words that usually travel with it.

this is where ... comes in
where you come ininto playis wherenow

Don't confuse it

Unlike the B1 sense ('enter a place'), this sense is figurative and refers to relevance or importance, not physical movement. It is also distinct from the B2 sense ('become available'), as it focuses on when something starts to matter in a situation.

come in (enter (a place)) — 'come in' also has the more basic meaning 'enter (a place)'; this is the advanced sense.

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