I know that between ”it is you who are wrong” and ”it is you who is wrong”, the former is the correct version.

However, if I change who to that, is the same still true?

It is you that are wrong. It is you that is wrong.

To me, that are is clearly wrong.


'That', in "It is you that are wrong", is a relative pronoun and it's not the subject of the subordinate clause. The real subject is 'you', so "are" is correct.

  • That sounds incredibly awkward to me. Perhaps it's different between AmE and BrE? – Andrew Oct 28 '18 at 15:53
  • @Andrew what would you make of it? – dan Oct 28 '18 at 22:18
  • I'd probably say "It is you who is wrong", although if I thought about it, I'd probably correct myself and say "It is you who are wrong". But using "that" I would always say "It is you that's wrong". If I'm guilty of the typical American barbarism when it comes to English, then I feel bad, but nevertheless ... – Andrew Oct 28 '18 at 22:26
  • @Andrew Good to know it! I'm just a learner. All I addressed above in my answer is just based on the grammar rules I 've learnt from books. It could be plain wrong practically. So, feel free to correct me anytime. Thanks! – dan Oct 28 '18 at 22:38
  • @Andrew As JeremyC pointed out, if 'you' refers to more than one person, would you still say: It is you that is wrong.? – dan Oct 29 '18 at 1:13

Who is wrong? If it is me, and nobody else, then I cannot for a moment see why you would not say "It is you who is wrong."

If the people who are wrong are me and my whole family then you would say "It is you who are wrong".

The word "you" can be plural or singular depending on context. The verb following "who" must relate to whether the person or people being referred to are plural or singular.

I do not see any difference here between BrE and AmE.

  • So you mean the subject of the verb is in third person and the choice between is/are falls into singularity and plurality, right? – user67265 Oct 28 '18 at 23:09
  • With the verb "to be" I recall that there is no subject as such, just a complement. Leaving that grammatical technicality aside, it all turns on whether "you" refers to one person or to more than one. If one person ,"is" is correct, if more than one ,"are". – JeremyC Oct 28 '18 at 23:17
  • But you never say: "you is wrong", no matter 'you' refers to one person or more than one. Maybe, the structure matters here? – dan Oct 29 '18 at 0:48
  • What about with other verbs except for 'to be'? E.g. It is you who has said that. VS It is you who have said that. which one is correct? – dan Oct 29 '18 at 1:36
  • @dan I agree with you. You have a point there. I think the same rule still applies. – user67265 Oct 29 '18 at 4:20

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