Video lesson · Can / Could / Be Able to
Offers with can refer to using can to volunteer help or suggest doing something for someone else. This structure is used to propose assistance or services. Offers with can are friendly and direct ways to show willingness to do something for another person.
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Can / Could
Be Able to
Present and Future Ability
Skills
Unusual Ability
With Verbs of Senses
Theoretical Possibility
Permission / Prohibition
Requests
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.
