to do with

From Middle English to done wið.

• Audio (General Australian):

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to do with

1. (idiomatic) Related to or relevant to.
   1. Used directly after the verb have or have got.

      As I recall, his book had to do with alien abductions.

   2. Used after the verb have or have got and a pronoun or determiner.

      Does this have anything to do with the party you were planning?

      The two concepts are often confused, but they actually have very little to do with each other.

      Yes, I have a car, but what does that have to do with whether I am qualified for a desk job?

   3. Used after a pronoun or determiner without the verb have or have got.

      She says she doesn't want anything to do with him anymore.

• what does that have to do with the price of tea in China
• have to do with the price of fish

• do (syntactic marker to avoid repetition of an earlier verb)