PRESENT SIMPLE

PRESENT SIMPLE

PRACTICE

http://baladre.info/english/sedaviwebfront/benegative.htm

https://www.ego4u.com/en/cram-up/grammar/simple-present/form/exercises

http://www.englishlab.net/hp/spelling_5.htm

http://www.english-room.com/4_01.htm

http://www.englishlab.net/hp/quiz2_present_simple_2_add_es.htm

http://www.1-language.com/englishcourse/unit5_grammar_exs2.htm

http://www.englisch-hilfen.de/en/exercises/tenses/do_does2.htm

http://www.englishexercises.org/makeagame/viewgame.asp?id=5158