Signal words for the Present Perfect Continuous

What are signal words for the Present Perfect Continuous?

There are no  signal words solely for the Present Perfect Continuous. We often use expressions of time with this tense. The following words/phrases can indicate that Present Perfect Continuous could be used:

  • all day
  • for
  • just
  • since
  • the whole day/morning/week etc.,
  • Questions with How long….?