class 6: going to-future

http://www.ego4u.de/de/cram-up/grammar/future-1-going-to/exercises
http://online-lernen.levrai.de/englisch/englisch_zeiten/going_to_future/03_going_to_future_uebungen.htm
http://www.ego4u.de/de/cram-up/grammar/future-1-going-to/exercises?05
http://online-lernen.levrai.de/englisch/englisch_zeiten/going_to_future/04_going_to_future_saetze.htm
http://online-lernen.levrai.de/englisch/englisch_zeiten/going_to_future/10_going_to_future_satzbau.htm
http://www.ego4u.de/de/cram-up/grammar/future-1-going-to/exercises?04

class 6: some and any and their compounds

http://lernen.schule.at/english/quiz/english/klasse3/someany.htm
http://www.englisch-hilfen.de/en/exercises/confusing_words/something_anything.htm
http://www.pgm.musin.de/llw/Englisch/G9/7/U2/Some.htm
http://www.englishexercises.org/makeagame/viewgame.asp?id=433
http://www.ego4u.de/de/cram-up/vocabulary/some-any/exercises
http://www.tolearnenglish.com/exercises/exercise-english-2/exercise-english-21125.php
http://www.ego4u.de/de/cram-up/vocabulary/some-any/exercises?04
http://www.ego4u.de/de/cram-up/vocabulary/some-any/exercises?06
http://schulen.eduhi.at/hsgunskirchen/hot_pot/English/SOME_ANY_COMPOUNDS.htm

class 7: past perfect

This website explains the past perfect again:
http://www.englishpage.com/verbpage/pastperfect.html

exercises
http://www.ego4u.de/de/cram-up/grammar/past-perfect-simple/exercises
http://www.perfect-english-grammar.com/past-perfect-exercise-1.html
http://www.englisch-hilfen.de/en/exercises/tenses/past_perfect.htm
http://www.englisch-hilfen.de/en/exercises/tenses/past_perfect_negation.htm
http://www.englisch-hilfen.de/en/exercises/tenses/past_perfect_questions.htm
http://www.perfect-english-grammar.com/past-perfect-exercise-2.html
http://www.englishgrammarsecrets.com/pastperfect/exercise1.html
http://www.englishgrammarsecrets.com/pastperfect/exercise2.html
http://www.englishgrammarsecrets.com/pastperfect/exercise4.html

past perfect or simple past?
http://www.englisch-hilfen.de/en/exercises/tenses/past_perfect_simple_past.htm
http://www.perfect-english-grammar.com/past-perfect-exercise-2.html
http://www.englishpage.com/verbpage/verbs11.htm
http://www.english-4u.de/past_perfect_ex5.htm

subject and object pronouns

exercises on object pronouns (me, you, him, her, us, the,,...) only:
http://www.englisch-hilfen.de/en/exercises/pronouns/personal_pronouns4.htm
http://www.myenglishpages.com/site_php_files/grammar-exercise-object-pronouns.php
http://www.englisch-hilfen.de/en/exercises/pronouns/personal_pronouns3.htm
https://www.ego4u.com/en/cram-up/grammar/pronouns/exercises?02
http://www.english-4u.de/pers_pronouns_ex1.htm
http://www.english-4u.de/pers_pronouns_ex3.htm
http://www.english-4u.de/pers_pronouns_ex4.htm
http://www.english-4u.de/pers_pronouns_ex5.htm
http://www.englishexercises.org/makeagame/viewgame.asp?id=1965
http://www.english-4u.de/pers_pronouns_ex6.htm


exercises on subjecct and object pronouns
http://www.englisch-hilfen.de/en/exercises/pronouns/personal_pronouns5.htm
http://www.ecenglish.com/learnenglish/lessons/pronouns-elementary-level-students
https://learnenglish.britishcouncil.org/en/english-grammar/pronouns/personal-pronouns
http://www.english-4u.de/pers_pronouns_ex2.htm
http://www.englishexercises.org/makeagame/viewgame.asp?id=7233
http://www.englishexercises.org/makeagame/viewgame.asp?id=2842