I search through some pages and find that both will work. Is it so? How?

  • You can't answer "When did you last visit San Francisco?" with "I have been not [there]." And you can't say "I have been not well." Are you referring to longer auxiliary constructions? Oct 12, 2017 at 15:49
  • Not for longer auxiliary constructions. Oct 12, 2017 at 17:41

1 Answer 1


You use it when you need to and you do not use has been not.


I have been working.


I have not got the chance to work today.

You really don't need to use has been not. Use have not instead.

  • Huh? You absolutely need to use "has not" when using third person pronouns like he or she. "She has not had the chance to work today."
    – KumaAra
    Oct 13, 2017 at 1:20

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