The Social Network FACEBOOK

http://www.youtube.com/watch?v=lB95KLmpLR4

Active voice and Passive voice Rules and Exercises

http://www.e-grammar.org/passive-voice/

choose the best answer

http://a4esl.org/q/h/vm/active-passive.html

Active voice and Passive voice Exercises

http://www.englisch-hilfen.de/en/exercises_list/passiv.htm

Active voice and Passive voice Quiz

http://esl.about.com/library/quiz/blgrquiz_passive1.htm

write sentences use Passive and Active voice

http://www.saberingles.com.ar/curso/lesson24/06.html

Exercises passive and active voice

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

Grammar Active and Passive voice

http://www.towson.edu/ows/activepass.htm

http://www.aprenderinglesfacil.es/2009/01/ejercicios-passive-voice-voz-pasiva.html

Active voice and Passive voice

http://www.englishclub.com/grammar/verbs-voice.htm

Mylingo sing, think and write in English

http://www.mylingo.org/es

ARMY CONFLICT IN COLOMBIA STORY

http://www.youtube.com/watch?v=ppkdj8kPF34

Tag questions Unit 26

http://www.ompersonal.com.ar/omexercise/preguntas/unit26.htm

Grammar Tag Questions

http://www.better-english.com/grammar/questiontags.htm

Match Question Tags

http://www.englishexercises.org/makeagame/viewgame.asp?id=2520

Tag questions II

http://www.englishexercises.org/makeagame/viewgame.asp?id=1401

Study Tag Questions

http://www.saberingles.com.ar/curso/lesson15/07.html

Activity Tag Questions

http://english-zone.com/grammar/tags01.html

Tag questions Quiz

http://www.englishclub.com/grammar/verbs-questions-tag_quiz.htm

Tag questions

http://www.ompersonal.com.ar/omgrammar/tagquestions.htm