2A-. Grammar Explanations
2A.1. How to change from Active Voice to Passive Voice
http://www.eslcafe.com/grammar/using_passive_voice02.html
2A.2. Passive sentences with unknown subject
http://www.eslcafe.com/grammar/using_passive_voice03.html
2A.3. Showing subjects using "by"
http://www.eslcafe.com/grammar/using_passive_voice04.html
2A.4. Passive sentences with direct and indirect object
http://www.eslcafe.com/grammar/using_passive_voice05.html
2A.5. A chart with all the forms
http://www.ego4u.com/en/cram-up/grammar/passive
2B-. Grammar activities
2B.1. (Low Level) Present Simple http://www.ego4u.com/en/cram-up/grammar/passive/exercises
2B.2. (Low Level) Past Simple http://www.ego4u.com/en/cram-up/grammar/passive/exercises?02
2B.3. (Low Level) Present Perfect http://www.ego4u.com/en/cram-up/grammar/passive/exercises?03
2B.4. (Low Level) Future with "will" http://www.ego4u.com/en/cram-up/grammar/passive/exercises?04
2B.5. Present Simple http://www.ego4u.com/en/cram-up/grammar/passive/exercises?simple-present
2B.6. Past Simple http://www.ego4u.com/en/cram-up/grammar/passive/exercises?simple-past
2B.7. Present Perfect http://www.ego4u.com/en/cram-up/grammar/passive/exercises?present-perfect
2B.8. Future with "will" http://www.ego4u.com/en/cram-up/grammar/passive/exercises?future-1
2B.9. Passive voice with auxiliary and modal verbs http://www.ego4u.com/en/cram-up/grammar/passive/exercises?05
2B10. Passive voice with two objects 1 http://www.ego4u.com/en/cram-up/grammar/passive/exercises?07
2B.11. Passive voice with two objects 2 http://www.ego4u.com/en/cram-up/grammar/passive/exercises?08
2B.12. Passive voice with verbs of perception http://www.ego4u.com/en/cram-up/grammar/passive/exercises?09
2B.13. Change from active into passive http://www.isabelperez.com/hotpot/dogphone.htm
2B.14. Active or Passive? 1 http://a4esl.org/q/h/vm/active-passive.html
2B.15. Active or Passive? 2 http://a4esl.org/q/f/x/xz89mgu.htm
2B.16. Complete the text with a verb in passive (High Level) http://www.isabelperez.com/hotpot/valentine_cl.htm
5A-. Speaking
5B-. Pronunciation
5B.0. Listen and repeat to improve your intonation (Daily updated) http://www.manythings.org/lar/
5B.1. Listen and find the correct word (High Level)
6-. Writing
7-. Dictations
http://www.rong-chang.com/eslread/eslread/dict/contents.htm
7.1. Dictation Exercises
http://www.rong-chang.com/eslread/eslread/dict/contents.htm
7.2. Change the following sentences into passive voice
Activity 1 http://www.rong-chang.com/writing/passive_voice01.htm
Activity 2 http://www.rong-chang.com/writing/passive_voice02.htm
Activity 3 http://www.rong-chang.com/writing/passive_voice03.htm