Video lesson · Can / Could / Be Able to
Skill refers to the ability to do something well that has been learned through practice, training, or experience. Skills are developed over time and demonstrate competence or expertise in a particular area.
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Can / Could
Be Able to
Present and Future Ability
Unusual Ability
With Verbs of Senses
Theoretical Possibility
Permission / Prohibition
Requests
Offers
Deduction / Negative
Present Use / Summary
Possibility / Ability in the Past
Permission / Prohibition in the Past
With Verbs of Senses / Past
Past Skills
Possibility / Ability in the Past + Fact 
Past Use / Summary
Ability in the FutureGet the app and practice this topic as a game — with XP, streaks and instant feedback.
