EN ET Y
http://www.francaisfacile.com/exercices/exercice-francais-2/exercice-francais-5439.php
http://www.francaisfacile.com/exercices/exercice-francais-2/exercice-francais-3871.php
http://www.francaisfacile.com/exercices/exercice-francais-2/exercice-francais-55948.php
http://www.francaisfacile.com/exercices/exercice-francais-2/exercice-francais-56092.php
http://www.francaisfacile.com/exercices/exercice-francais-2/exercice-francais-34745.php
http://w3.gril.univ-tlse2.fr/Yen.html
http://labomat.blogspot.com.es/2008/04/a2-les-pronoms-y-et-y.html
http://wps.prenhall.com/ca_ph_parmentier_enbons_7/46/11985/3068385.cw/content/
encore quelques exercices sur en et y
http://www.didieraccord.com/exercices/index.php?ex=2.2.3.2
http://www.didieraccord.com/exercices/index.php?ex=2.2.3.2
http://www.lepointdufle.net/ressources_fle/cod_coi_2.htm
http://uregina.ca/~laninstit/HotPot/French/Elementaire/exercises/P/p025c.htm
http://www.alfred-echtle.de/Franz/pronob3.htm