B2 · Upper-intermediate
Auxiliary verbs · Ellipsis
Ellipsis and substitution
Estimated study time: about 42 minutes
Meaning and purpose
Omitting/replacing repeated elements
Examples
I'll go if you want me to.
Correct versus incorrect
Correct
I'll go if you want me to.
Incorrect example
No paired incorrect sentence has been authored for this lesson yet.
Common misconception
Recovering omitted words
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.