PRESENT SIMPLE (NEGATIVE E INTERROGATIVE)

Más enlaces para repasar la unidad:

AFFIRMATIVE:

http://www.english-4u.de/present_ex1.htm
http://www.english-4u.de/present_ex2.htm
http://www.english-4u.de/present_ex3.htm
http://www.english-room.com/4_01.htm
http://www.kico4u.de/english/uebungen/aktiv/sorno.htm
http://www.isabelperez.com/happy/tenses/exercises/present_1.htm
http://www.isabelperez.com/happy/tenses/exercises/present_2.htm


NEGATIVE:
http://www.english-4u.de/pres_neg_ex1.htm
http://www.english-4u.de/pres_neg_ex2.htm
http://www.english-4u.de/pres_neg_ex3.htm
http://www.english-4u.de/pres_neg_ex4.htm
http://www.theyellowpencil.com/topresent1.htm


INTERROGATIVE:

http://www.isabelperez.com/happy/tenses/exercises/pres_simple_quest1.htm
http://www.learn-english-online.org/Lesson13/TestIt/Question1.htm
http://www.ego4u.com/en/cram-up/grammar/simple-present/form/exercises?04