Since "either" takes a singular verb, can we use "has" when a sentence uses "either of"?

I don't think either of you has/have seen that creature.

Should this be "either of you has seen that creature"? (To mean "either one of you")?

  • 1
    Since you already know that either takes the singular verb form, you know the answer. The preposition phrase after either doesn't change it into a plural! Consider either and both. "I think both of you have seen that creature." Jul 11, 2017 at 17:58
  • Do you understand the relationship between either (singular) and both (plural)? Jul 11, 2017 at 18:19
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    Yes. Both would refer to plural (as in two people together), while either would refer to (either this person or that person). Jul 11, 2017 at 19:06

2 Answers 2


Yes! "Either" takes a singular verb. Either has seen that creature. ("Either have seen that creature" is incorrect.)


"either" can take either plural or singular verbs. And in this case, the subject is "you", which is the second person. The second person is conjugated the same as plural third person, so "have" is preferable, but "has" is acceptable.

  • 1
    I think you are right that "have" is "preferable", in that most people prefer to say it, but I don't think that makes it "correct" from the standpoint of people trying to learn the formal rules of English grammar. The "subject" isn't "you", but "either", which really means "either one", and it takes a singular verb. [Picky? yes, sorry]
    – Lorel C.
    Jan 6, 2019 at 19:25

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