Français - English - (Deutsch not now...) - by C.Harris

http://www.librosvivos.net/smtc/PagPorFormulario.asp?TemaClave=1034&est=2 http://fog.ccsf.edu/~creitan/q2etreavoir.htm http://ofsgoncalo.no.sapo.pt/HotPot/verbesetreavoir.htm http://www.maisondequartier.com/cours/exercices.php?exo=auxiliaires&lang=en&number=1 http://jeudeloie.free.fr/debutant/etreavoir/oie.html https://francais.lingolia.com/fr/grammaire/les-temps/le-present/exercices-complementaires/articles/le-present-etre-et-avoir-3571 http://www.club-forum.com/exercice07.asp?rub=6&f=1&idunite=5&suiv=2&prec=0&nbexo=17&idexo=76

Les auxiliaires   are verbs with a meaning but they are also tools. French has two  auxiliaires. http://www.maisondequartier.com/cours/english/old_auxiliaires_eng.htm