who do that? vs who does that?

The correct phrase to use here is "Who does that?". In English, when asking a question about a singular subject, we use the singular form of the verb. In this case, "does" is the correct form to match the singular subject "who."

Explained by Miss E.
Editor at TextRanch

Last updated: August 06, 2024

who do that?

This phrase is incorrect. In English, when asking a question about a singular subject, we use the singular form of the verb.

The correct form is "Who does that?" when asking about a singular subject performing an action.

Alternatives:

Who does that?
Who is doing that?
Who did that?
Who will do that?
Who can do that?

who does that?

This phrase is correct. It follows the rule of using the singular form of the verb when asking a question about a singular subject.

Use this phrase when asking about a singular subject performing an action.

Alternatives:

Who does that?
Who is doing that?
Who did that?
Who will do that?
Who can do that?

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who do that? vs who does that?

who do that?

who does that?

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