http://www.restena.lu/amifra/exos/gram/cond4b.htm
http://www.restena.lu/amifra/exos/gram/cond10.htm
http://www.restena.lu/amifra/exos/gram/quandsi.htm
http://departments.vassar.edu/celt-bin/frenchex.pl
http://departments.vassar.edu/celt-bin/frenchex.pl?action=2&exercise=18&question=0
http://departments.vassar.edu/celt-bin/frenchex.pl?action=2&exercise=20&question=0
http://departments.vassar.edu/celt-bin/frenchex.pl?action=2&exercise=21&question=0
http://www.ccdmd.qc.ca/fr/dyn/fichiers/060Allophones.pdf?sect=Allophones_Phrase
http://republika.pl/probaaa/francais/Zdaniazoone.doc (punkt F)