Adjective clauses with who, that, and where.

http://www.myenglishteacher.net/when_where_adjectiveclauses.html

 http://web2.uvcs.uvic.ca/elc/studyzone/410/grammar/adj1.htm

 http://www.englishexercises.org/makeagame/viewgame.asp?id=872

 http://eslgrammarpractice.blogspot.com/2011/10/using-relative-pronouns-and-adjective.html

 http://www.chompchomp.com/terms/adjectiveclause.htm

http://examples.yourdictionary.com/example-adjective-clauses.html

WHILE-WHEN

http://www.englishmedialab.com/GrammarGames/perfectpast/past%20progressive%20vs.%20past%20simple%20betting.html

http://www.englisch-hilfen.de/en/exercises/tenses/simple_past_progressive2.htm

http://www.englishpage.com/verbpage/pastcontinuous.html

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

http://www.englishtenses.com/test/when_or_while_test

http://www.englishexercises.org/makeagame/viewgame.asp?id=734

http://www.eamus.it/exercises/verbs-past-simple-continuous.htm

WEATHER VOCABULARY

http://www.eslgamesplus.com/weather-vocabulary-esl-memory-game-for-beginners/

http://www.eslgamesplus.com/weather-vocabulary-interactive-game-for-esl-teaching/

http://www.eslgamesplus.com/weather-vocabulary-esl-interactive-crocodile-board-game/

Past simple and past continuous exercises

http://www.englishexercises.org/makeagame/viewgame.asp?id=734

http://www.learnenglish-online.com/grammar/tests/pastcontinuoussimplepast.html

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

http://www.learnenglish-online.com/grammar/tests/pastcontinuous.html

LISTENING PRACTICE

http://esl-lab.com/

PAST SIMPLE

http://www.ego4u.com/en/cram-up/grammar/simple-past

http://www.myenglishpages.com/site_php_files/grammar-exercise-simple-past.php#.UvfTdvZhwmU

http://www.practicaingles.es/exercises-and-theory/grammar-exercises-and-theory/past-simple/

http://www.englisch-hilfen.de/en/exercises/questions/simple_past2.htm

 http://www.ejerciciodeingles.com/ejercicios-past-simple-rellenar-huecos/