•			Das Modalverb can bedeutet "können".

		Als Infinitiv benutzt man to be able to.

		Beispiel:
		It's great to be able to speak many languages.

•			Das Futur des Modalverbs can ist will be able to.

		Beispiel:	
		Don't worry. I'll (will) be able to pick you up.

•			Das simple past des Modalverbs can ist could.

		Beispiel:
		He could be very kind sometimes.
		I couldn't hear anything because of the music.