l'impératif

http://platea.pntic.mec.es/~cvera/hotpot/rotideveau.htm

http://www.laits.utexas.edu/tex/gr/tai1.html

http://www.tolearnfrench.com/exercises/exercise-french-2/exercise-french-4155.php

http://fog.ccsf.cc.ca.us/~creitan/qchap3d.htm