Gpatarroyo

Links de presente simple y pasado simple
1. http://www.learnenglishfeelgood.com/esl-present-tense1.html
2. http://www.englishexercises.org/makeagame/viewgame.asp?id=24513. http://www.englishexercises.org/makeagame/viewgame.asp?id=2975
4. http://www.englishlearner.com/beginner/present-simple-sentences-1.shtml
5.http://www.englishexercises.org/makeagame/viewgame.asp?id=2280
6. http://www.english-room.com/4_01.htm
7. http://www.englisch-hilfen.de/en/exercises/questions/simple_present.htm
8.http://www.ego4u.com/en/cram-up/grammar/simple-present/form/exercises?04
9. http://www.englisch-hilfen.de/en/exercises/tenses/do_does.htm
10.http://www.ego4u.com/en/cram-up/grammar/simple-present/form/exercises?05
11. http://www.perfect-english-grammar.com/present-simple-exercise-6.html
12.http://web2.uvcs.uvic.ca/elc/studyzone/330/grammar/presnq3.htm
13. http://www.ego4u.com/en/cram-up/grammar/simple-present/form/exercises?03
14.http://www.englisch-hilfen.de/en/exercises/tenses/simple_present_negation_sentences.htm
15. http://web2.uvcs.uvic.ca/elc/studyzone/330/grammar/presnq1.htm
16. http://www.perfect-english-grammar.com/present-simple-exercise-4.html
17.http://www.carmenlu.com/first/grammar/present1_1neg.htm
18. http://www.isabelperez.com/happy/tenses/exercises/present_3.htm
19.http://www.englishexercises.org/makeagame/viewgame.asp?id=3614
20. http://www.ego4u.com/en/cram-up/grammar/simple-present/use/exercises?07
21. http://www.perfect-english-grammar.com/present-simple-exercise-7.html
22.http://www.learnenglish.de/Games/Tenses/SimplePres.htm
23. http://www.isabelperez.com/happy/tenses/exercises/habits.htm
24. http://saberingles.com.ar/exercises/102.html