THE VERB CAN

Exercises:

http://www.englisch-hilfen.de/en/exercises/modals/can2.htm
http://www.englisch-hilfen.de/en/exercises/questions/can2.htm
http://www.ecenglish.com/learnenglish/lessons/can-or-cant

VOCABULARY

MEANS OF TRANSPORTATION

Exercises:

http://www.csmm.qc.ca/sitsat/anglais/trans.htm
http://www.englishexercises.org/makeagame/viewgame.asp?id=1919
http://learnenglishteens.britishcouncil.org/grammar-vocabulary/vocabulary-exercises/transport

SPEAKING (DIALOGUES USING CAN)

http://www.1-language.com/englishcourse/unit18_dialogues.htm