Present perfect continuous learning
have/has +
been +
Infinitiv + -ing
Examples Present Perfect Progressive:
I have
been reading
a book for a long time.
They have been
going
for a walk for 2 hours.
English present perfect continuous exercises
Present perfect continuous with free online exercises, Present perfect continuous examples and sentences.
Online exercises English grammar and courses
Free tutorial Present perfect continuous. English Present perfect continuous
exercises. English grammar easy to learn.