This is the 1192nd most frequent German word.
können
"To be able to" or "can."
'Können' is used to express ability or skill; here, the sentence communicates the speaker's capability to swim effectively.
Ich kann gut schwimmen.
I can swim well.
'Können' is used to express possibility or permission; in this context, it conveys that going to the cinema is an option or allowed the next day.
Wir können morgen ins Kino gehen.
We can go to the cinema tomorrow.
'Könnte,' a subjunctive form of 'können,' conveys a hypothetical situation or potential occurrence, suggesting uncertainty about the weather.