In case of "Not only . . . but also", the verb agrees with the second subject :

Not only he but also I am intelligent.

Can we use a tag question with this sentence?

Not only he but also I am intelligent, aren't I? Or, Not only is he intelligent but also I am, aren't I?

1 Answer 1


Your first sentence reads oddly to me. I would say:

Not only is he intelligent, but I am too.

For the same reason, I don't like your first question. The second one seems to be grammatical, but I can't imagine anyone using it in ordinary conversation. It would be more natural to say:

He's intelligent, and I am too, aren't I?

  • Or (second sentence) "He's intelligent but so am I, aren't I." Commented May 30, 2020 at 20:26
  • Why 'but'? I think it should be 'and so am I' . Commented May 31, 2020 at 0:20

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