PRESENT TENSE

http://antoniaromanblog.blogspot.com/search/label/grammar

http://www.isabelperez.com/happy/tenses/present_simple.htm

http://www.isabelperez.com/q-a-easy.htm

http://learnenglishkids.britishcouncil.org/en/short-stories/my-dad

http://www.isabelperez.com/pr-simple-neg.htm

Interrogative statements

http://www.isabelperez.com/q1.htm

http://www.isabelperez.com/q-a-easy.htm