🧠 Grammar · B2
Can, Could & Be Able To
Use can, could and be able to accurately for general, specific, future and perfect ability.
How it works
3 parts
Learn the rule
Short explanations with examples. Not sure? Ask Sunny a question.
Practise
Exercises step by step, then write a few sentences of your own — Sunny checks them.
Final check
A short check shows what you have mastered and what to review.