to
PresentCan
Am Able to
Is
are
Past
Could
Was Able to
were
Future
Will be able to
1 Возможность:
Могу, умею, возможно
2 Разрешение:
3 Запрещение:
нельзя
I can run very fast
He can speak French. Can he do sums?
Can I have a cup of coffee?
You can’t cross the street here.