Present Perfect Continuous signal words

Grammar explanations Present Perfect Continuous form
Present Perfect Continuous signal words
Present Perfect Continuous spelling
Present Perfect Continuous uses
Exercises Present Perfect Continuous

Present Perfect Continuous Tense is often used with the following words and expressions.

expressions defining period of time all + time word e.g. all day, all night etc.
questions starting with: How long
other words since, for
for activities happening repeatedly every night, every day etc.