REAL DISASTERS
NATURAL DISASTERS
https://www.liveworksheets.com/w/en/english-second-language-esl/79806#google_vignette
https://www.liveworksheets.com/w/en/english-second-language-esl/48954
https://www.engworksheets.com/online-exercises/vocabulary/exercises-3/natural-disasters-5644
https://www.eslgamesplus.com/disasters-vocabulary-spelling-activity-online-for-esl/
https://wordwall.net/es-ar/community/vocabulary/natural-disasters
https://wordwall.net/en-ru/community/english/esl-natural-disasters
PAST
SIMPLE
Regular / Irregular Verbs: Theory
Irregular verbs
http://www.dad.uncu.edu.ar/upload/irregular-verb-list.pdf
http://www.manythings.org/b/e/2315/
http://tu.tv/videos/esl-irregular-verbs-2
Practice
Irregular Verbs
http://www.esldesk.com/spelling/irregular-verbs
http://esl.fis.edu/grammar/verbs/5.htm
http://www.quia.com/cb/8111.html
http://www.manythings.org/wbg/verbs_past1-mw.html
http://grammar.ccc.commnet.edu/grammar/quizzes/cross/verbs.htm
http://www.macmillandictionary.com/verb_wheel/
http://myeslworld.blogspot.com.es/2010/01/flash-game-past-simple-irregular-verbs.html
Past Simple
http://www.eslgamesplus.com/past-simple-irregular-verbs-esl-grammar-interactive-activity-online/
http://esl.about.com/library/beginner/bl_bgpirreg.htm
http://grammar.ccc.commnet.edu/grammar/cgi-shl/par2_quiz.pl/irregular_quiz.htm
http://www.myenglishpages.com/site_php_files/grammar-exercise-simple-past.php#.Ur1ejfTuJu0
http://esl.about.com/library/beginner/bl_bgspast.htm
https://sites.google.com/site/easygrammar4kids/simple-past/simple-past
http://www.englishclub.com/grammar/verb-tenses_past_quiz.htm
http://www.englishclub.com/esl-games/grammar/jumbled-tenses-past-simple-1.htm
http://www.agendaweb.org/verbs/past_simple-exercises.html
http://www.esl-lounge.com/student/grammar/1g85-elementary-past-simple-multiple-choice-exercise.php
http://www.esl-lounge.com/student/grammar/1g24-past-simple-pos-neg-questions.php