B2 · Upper-intermediate
Infinitives and -ing forms · Complex forms
Perfect and passive infinitives/gerunds
Estimated study time: about 42 minutes
Meaning and purpose
to have done / to be done / having done
Examples
He seems to have forgotten. I remember being told.
Correct versus incorrect
Correct
He seems to have forgotten. I remember being told.
Incorrect example
No paired incorrect sentence has been authored for this lesson yet.
Common misconception
Form; aspect meaning
Practice and review
This lesson has 39 exercises. Choose how you want to practise.
One question at a time
Check each answer as you go and see the explanation straight away.
Answer all, then check
Work through every question first, then submit once for your result.