Exercices:
1. http://uregina.ca/~laninstit/HotPot/French/Elementaire/exercises/A/a034.htm
2. http://www.maisondequartier.com/cours/exercices.php?exo=situation_1&lang=en&number=3
3. http://www2.snh.be/frans/pourtoi/pt2/hotpot/pt2u1b.htm?q=frans/pourtoi/pt2/hotpot/pt2u1b.htm
4. http://alicemnieto.wikispaces.com/le+genre