•			El auxiliar can significa "poder".
		Con el infinitivo, se emplea to be able to.
 
		Ejemplo:
		It's great to be able to speak many languages.
 
•			El futuro del auxiliar can es will be able to.

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

•			El simple past del auxiliar can es could.
 
		Ejemplo:
		He could be very kind sometimes.
		I couldn't hear anything because of the music.