http://www.kico4u.de/english/uebungen/5klasse/becon.htm
http://www.bradleys-english-school.com/online/MultipleChoice/verbtobe.html
http://www.englishmaven.org/HP6/To_Be_Exercise1.htm
http://www.eflnet.com/grammar/tobepresent.php
DOES/ IS/ HAS:
http://wwwedu.ge.ch/cptic/prospective/projets/anglais/exercises/doeshas.htm
http://www.ego4u.com/en/cram-up/vocabulary/description/exercises
http://s.mound.free.fr/skyblues67/revision/be&have1.htm
http://www.sihorsch.net/sihorsch/handouts/grammar/element/auxquneg.htm
DO / DOES:
http://www.adelescorner.org/grammar/present_simple/pres_sim_quests1.html
http://www.english-room.com/dodoes_5.htm
http://michel.barbot.pagesperso-orange.fr/cap/do_does/do2.htm
http://www.englishexercises.org/makeagame/viewgame.asp?id=2412
PRESENT CONTINUOUS:
http://www.swfcabin.com/open/1316627373
http://www.anglomaniacy.pl/grammarHelpers18.htm
http://www.anglomaniacy.pl/grammarHelpers19.htm
http://www.anglomaniacy.pl/grammarHelpers20.htm
http://www.anglomaniacy.pl/grammarHelpers21.htm
http://eslgamesworld.com/members/games/grammar/fling%20the%20teacher/actionverbs/present%20progressive%20multiple%20choice.html
http://michel.barbot.pagesperso-orange.fr/cap/prs_ing/exo1.htm
