REPORTED SPEECH
http://evasimkesyan.edublogs.org/2012/01/25/reported-speech-activities-ideas-and-links/
http://www.curso-ingles.com/gramatica-inglesa/reported.php
http://www.ego4u.com/en/cram-up/grammar/reported-speech
http://www.englisch-hilfen.de/en/exercises_list/reported.htm
http://www.perfect-english-grammar.com/reported-speech.html
http://englishlearner.com/tests/reported_speech_quiz_1.shtml
http://www.shertonenglish.com/resources/es/reported-speech.php
http://a4esl.org/q/h/9901/tm-reported1.html
http://esl.about.com/library/quiz/blgrquiz_reported1.htm
http://www.englishgrammarsecrets.com/reportedspeech/menu.php
http://www.ompersonal.com.ar/omexercise/lenguajeindirecto/unit21.htm
Reporting Verbs
http://perso.wanadoo.es/autoenglish/gr.report2.p.htm
http://perso.wanadoo.es/autoenglish/gr.report3.i.htm
http://www.englishexercises.org/makeagame/viewgame.asp?id=369
http://www.esoeonline.org/main-index/index-exercises/grammarexs/int/intreportingverbs1.htm
http://ies.garciamarquez.madrid.educa.madrid.org/index.php/ingles/ingles-4o-eso/528.html
PASSIVE VOICE
http://www.ego4u.com/en/cram-up/grammar/passive
PAST PERFECT
http://www.ompersonal.com.ar/omverbs/simplepastperfect.htm
http://www.englishpage.com/verbpage/pastperfect.html
http://elblogdelingles.blogspot.com/2006/04/lesson-15-past-perfect.html
http://www.aulafacil.com/Ingejerc/Lecciones/Lecc22.htm
http://www.parasaber.com/formacion/aprender-ingles/nivel-6/articulo/aprender-ingles-nivel-lesson-105-past-perfect-simple-pasado-futuro/5849/
http://web2.uvcs.uvic.ca/elc/studyzone/410/grammar/pastpf.htm
PAST PERFECT VERSUS SIMPLE PAST
https://www.youtube.com/watch?v=jwmKp93KrqI
PRESENT PERFECT VERSUS SIMPLE PAST
http://www.youtube.com/watch?v=vN7pP-5M2nU
http://web2.uvcs.uvic.ca/elc/studyzone/410/grammar/ppvpast.htm
http://www.aulafacil.com/Ingejerc/Lecciones/Lecc20.htm
http://www.ego4u.com/en/cram-up/grammar/simpas-preper
http://www.englishpage.com/verbpage/verbs5.htm
http://www.saberingles.com.ar/curso/lesson21/06.htm
http://www.better-english.com/grammar/pspp1.htm
http://esl.about.com/library/quiz/bl_pastorperfect1.htm
PRESENT PERFECT WITH FOR OR SINCE
http://www.eclecticenglish.com/grammar/PresentPerfect1D.html
http://www.ejerciciodeingles.com/present-perfect-for-since/
FOR, YET, ALREADY
http://www.theyellowpencil.com/gramaalready.html
http://estudiaingles.blogspot.com/2007/12/present-perfect-just-yet-already.html
http://www.clafoti.com/imagenes11/pres_perf_3.htm
http://elblogdelingles.blogspot.com/2007/02/lesson-44-present-perfect-ii-yet.html
http://www.autoenglish.org/gr.presper.i.htm
http://eslzone1.tripod.com/grammarinter/_yet.htm
FOR, YET, ALREADY
http://www.theyellowpencil.com/gramaalready.html
http://estudiaingles.blogspot.com/2007/12/present-perfect-just-yet-already.html
http://www.clafoti.com/imagenes11/pres_perf_3.htm
http://elblogdelingles.blogspot.com/2007/02/lesson-44-present-perfect-ii-yet.html
http://www.autoenglish.org/gr.presper.i.htm
http://eslzone1.tripod.com/grammarinter/_yet.htm
PRESENT SIMPLE VERSUS PRESENT CONTINUOUS
RELATIVE CLAUSES
Relative Clauses 1
Relative Clauses 2
Relative Clauses 3
Relative Clauses 4
Relative Clauses 5
Relative Clauses 6
PAST SIMPLE VERSUS PAST CONTINUOUS
GERUND AND INFINITIVE