UNIT 7
http://www.englisch-hilfen.de/en/exercises/if_clauses/mix.htm
http://www.englisch-hilfen.de/en/exercises/if_clauses/mix2.htm
http://www.englishpage.com/conditional/presentconditional.html
http://www.englishpage.com/conditional/conditional2.htm
http://www.englishpage.com/conditional/conditional3.htm
http://www.ego4u.com/en/cram-up/grammar/conditional-sentences/type-1
http://www.ego4u.com/en/cram-up/grammar/conditional-sentences/type-2
http://www.youtube.com/watch?v=fqrKMIrN8wQ
http://grammar.ccc.commnet.edu/grammar/quizzes/articles2.htm
http://www.learnenglishfeelgood.com/lefg1_articles4.html
http://perso.wanadoo.es/autoenglish/gr.inqu.p.htm
http://a4esl.org/q/h/vm/indirectques.html
http://www.e-grammar.org/indirect-question/test1-exercise1/
UNIT 8
http://www.englisch-hilfen.de/en/exercises/active_passive/sentences_gaps.htm
http://www.englisch-hilfen.de/en/exercises/active_passive/active_or_passive1.htm
http://www.ompersonal.com.ar/omexercise/vozpasiva/unit19.htm
http://www.learn4good.com/languages/evrd_grammar/quantifier.htm
http://www.englishexercises.org/makeagame/viewgame.asp?id=3722
http://grammar.ccc.commnet.edu/grammar/quizzes/cross/quantifiers2.htm
http://www.ego4u.com/en/cram-up/grammar/passive
http://esl.about.com/library/quiz/blvocabquiz_wordform1.htm
http://www.bbc.co.uk/apps/ifl/worldservice/quiznet/quizengine?ContentType=text/html;quiz=1433_word_formation
http://www.englisch-hilfen.de/en/word_formation/nouns_adjectives/index.php
UNIT 9
http://www.ego4u.com/en/cram-up/grammar/relative-clauses
http://www.slideshare.net/f2teacher/relative-clauses-presentation-928851
http://esl.about.com/library/quiz/bl_relative1.htm
http://www.uhv.edu/ac/grammar/pdf/relativeclauses.pdf
http://www.englishpage.com/verbpage/activepassive.html
http://www.tolearnenglish.com/exercises/exercise-english-1/exercise-english-53.php
http://www.ego4u.com/en/cram-up/grammar/passive/exercises?03
http://www.ego4u.com/en/cram-up/grammar/passive/exercises?present-perfect
http://www.ego4u.com/en/cram-up/grammar/passive/exercises?present-perfect-2
UNIT 10
http://www.oup.com/elt/global/products/naturalenglish/int/a_grammar/unit11/neint_grammar11_3/
http://www.autoenglish.org/gr.may3.i.htm
http://learnenglish.britishcouncil.org/en/grammar-explained/modals-%E2%80%93-deduction-present
http://www.englisch-hilfen.de/en/exercises/structures/phrasal_verbs_sentences.htm
http://www.englishpage.com/prepositions/mixed_prepositions_5.htm
http://www.englishpage.com/prepositions/phrasalverbs1.htm
http://www.englishpage.com/prepositions/phrasalverbs2.htm
http://www.englishexercises.org/makeagame/viewgame.asp?id=1792
