depuis
http://www.quia.com/jq/19129.html
http://www.laits.utexas.edu/tex/gr/pred1.html
http://facweb.furman.edu/~pecoy/f22/depuis.htm


si clauses
http://www.laits.utexas.edu/fi/tv/index.php?mode=q&ch=13&ex=5
http://french.about.com/library/weekly/aa090699.htm?once=true&
http://lilt.ilstu.edu/jhreid/grammar/si.htm
http://www.quia.com/jq/10430.html
http://www.synapse-fr.com/manuels/CONDITIO.htm


quand
http://babelnet.sbg.ac.at/canalreve/bravo/module7/3.3.html
http://babelnet.sbg.ac.at/canalreve/bravo/module7/3.4.html
http://www.lepointdufle.net/p/futur.htm#simple
http://lilt.ilstu.edu/jhreid/grammar/whenfut.htm
http://lilt.ilstu.edu/jhreid/grammar/quandabf.htm
http://lilt.ilstu.edu/jhreid/grammar/whenfut.htm
http://lilt.ilstu.edu/jhreid/grammar/whenfut.htm
http://www.univ-tlse2.fr/gril/tps.html