B1 · Intermediate
Modal verbs · Ability
Can/could/be able to (review)
Estimated study time: about 47 minutes
Meaning and purpose
Ability across tenses
Examples
He wasn't able to come.
Correct versus incorrect
Correct
He wasn't able to come.
Incorrect example
No paired incorrect sentence has been authored for this lesson yet.
Common misconception
could vs was able to for single events
Practice and review
This lesson has 44 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.