class 8: the passive

How do you form the passive? Have a look.
http://www.english-4u.de/passive.html

some easy starters... 
http://www.englisch-hilfen.de/en/exercises/active_passive/active_or_passive.htm
http://www.englisch-hilfen.de/en/exercises/active_passive/active_or_passive1.htm
http://www.englisch-hilfen.de/en/exercises/active_passive/active_or_passive2.htm

If you find the correct word order you get a passive sentence.
http://learningapps.org/12735
http://www.englisch-hilfen.de/en/exercises/active_passive/questions.htm
http://www.englisch-hilfen.de/en/exercises/active_passive/questions2.htm
http://www.myenglishpages.com/site_php_files/grammar-exercise-passive.php#.UpZE3uLucpM


Transfer into passive.
http://www.englisch-hilfen.de/en/exercises/active_passive/passive_sentences1.htm
http://www.englisch-hilfen.de/en/exercises/active_passive/sentences_simple_past.htm,
http://www.ego4u.de/de/cram-up/grammar/passive/exercises?06
http://www.ego4u.de/de/cram-up/grammar/passive/exercises?present-perfect
http://www.ego4u.de/de/cram-up/grammar/passive/exercises?simple-past
http://www.perfect-english-grammar.com/passive-exercise-5.html
http://www.english-4u.de/passive_ex1.htm
http://www.english-4u.de/passive_ex3.htm
http://www.english-4u.de/passive_ex6.htm

Find the correct tense
http://www.englisch-hilfen.de/en/exercises/active_passive/sentences_gaps.htm
http://www.ego4u.de/de/cram-up/grammar/passive/exercises?03
http://www.ego4u.de/de/cram-up/grammar/passive/exercises?04
http://www.esl-lounge.com/student/grammar/3g20-passive-active-exercise.php

the s-genitive

http://www.englisch-hilfen.de/en/exercises/nouns_articles/apostrophe_s2.htm
http://www.englisch-hilfen.de/en/exercises/nouns_articles/apostrophe_s.htm
http://www.tolearnenglish.com/exercises/exercise-english-1/exercise-english-135.php
http://www.englishexercises.org/makeagame/viewgame.asp?id=2452
http://first-english.org/english_learning/english_beginners/s_genitive_exercises/01_s_genitive_exercises.htm
http://www.learning-english-online.net/grammar/parts-of-speech-and-sentence-structure/nouns/possessive/s-genitive/
http://first-english.org/english_learning/english_beginners/s_genitive_exercises/02_genitive_s_exercises.htm

s-genitive or plural-s?
http://first-english.org/english_learning/english_beginners/s_genitive_exercises/03_s_genitive_rules_exercises.htm
http://first-english.org/english_learning/english_beginners/s_genitive_exercises/04_s_genitive_or_plural_s_exercise.htm
http://first-english.org/english_learning/english_beginners/s_genitive_exercises/05_s_genitive_or_plural_s_exercises.htm

class 5: "to be" (am, is, are) exercises - Übungen zu "to be (am, is, are)

Click the links and type your asnwers into the boxes, then click "check". (Klicke auf die Links, dann tippe die Antworten in die Kästen und klicke auf "check")

http://www.englisch-hilfen.de/en/exercises/tenses/be2.htm
http://www.englisch-hilfen.de/en/exercises/tenses/be2.htm
http://www.englisch-hilfen.de/en/exercises/tenses/be3.htm
http://www.english-4u.de/am_is_are_ex1.htm
http://www.english-4u.de/am_is_are_ex2.htm
http://www.eclecticenglish.com/grammar/PresentSimpleToBe1B.html
http://www.englishexercises.org/makeagame/viewgame.asp?id=5332

Match the correct pairs! (verbinde die richtigen Paare. Ziehe die Kästen rechts zu den richtigen Kästen links.)
http://www.citycol.com/esol/saccess/lang_systems/grammar/gr-beg/g-b-it/be.htm

grade 7: modal auxiliaries

 https://www.grammarbank.com/must-vs-need-to-have-to.html

https://www.montsemorales.com/gramatica/ObligProhib.htm

https://test-english.com/grammar-points/a2/have-to-dont-have-to-must-mustnt/

https://test-english.com/grammar-points/b1/have-to-must-should/

https://www.englishclub.com/grammar/verbs-modals-have-to-must-not-quiz.htm

class 6: possessive pronouns

possessive determiners                         possessive pronouns

my                                                          mine = meines
your                                                        yours = deines
his                                                          his = seines
her                                                          hers = ihres
its                                                           its
our                                                         ours = unsere
your                                                       yours = eure
their                                                       theirs = ihre

http://www.ego4u.de/de/cram-up/grammar/pronouns/exercises?04
http://www.myenglishpages.com/site_php_files/grammar-exercise-possessive-pronouns.php
http://www.englishexercises.org/makeagame/viewgame.asp?id=2679
http://www.grammar.cl/Games/Possessive_Pronouns.htm

class 6: will-future

Some easy exercises to start with:
http://www.ego4u.com/en/cram-up/grammar/future-1-will/exercises?02
http://www.ego4u.com/en/cram-up/grammar/future-1-will/exercises?03
http://www.ego4u.com/en/cram-up/grammar/future-1-will/exercises?04
http://www.ego4u.com/en/cram-up/grammar/future-1-will/exercises
http://www.ego4u.com/en/cram-up/tests/future-1-will-3

Now it's getting a little more complicated - but only a little:
http://www.englisch-hilfen.de/uebungen/zeiten/will_future_mix.htm
http://www.englisch-hilfen.de/en/exercises/tenses/will_future_statements.htm
http://www.englisch-hilfen.de/en/exercises/tenses/will_future_mix.htm
http://www.englishgrammarsecrets.com/willfuture/exercise1.swf
http://www.englishgrammarsecrets.com/willfuture/exercise2.swf
http://www.englishgrammarsecrets.com/willfuture/exercise3.swf
http://www.englishgrammarsecrets.com/willfuture/exercise4.swf
http://www.englishgrammarsecrets.com/willfuture/exercise5.swf

class 5+6: the present progressive

Click the links and pracitse the present progressive

statements in the present progressive
http://www.englishexercises.org/makeagame/viewgame.asp?id=1083
http://www.englishexercises.org/makeagame/viewgame.asp?id=2126
http://www.englishexercises.org/makeagame/viewgame.asp?id=4675
http://www.ego4u.de/de/cram-up/grammar/present-progressive/use/exercises
http://www.ego4u.de/de/cram-up/grammar/present-progressive/exceptions/exercises?exceptions02
http://www.englisch-hilfen.de/uebungen/zeiten/simple_present_progressive2.htm
http://www.really-learn-english.com/present-progressive-exercises.html

questions in the present progressive
http://www.englisch-hilfen.de/en/exercises/questions/present_progressive2.htm
http://www.ego4u.com/en/cram-up/grammar/present-progressive/form/exercises?form04
http://www.tolearnenglish.com/exercises/exercise-english-2/exercise-english-55633.php
http://www.englishexercises.org/makeagame/viewgame.asp?id=4926

statements and questions
http://www.englisch-hilfen.de/uebungen/zeiten/present_progressive_mix.htm
http://www.englisch-hilfen.de/en/complex_tests/present_progressive2/index.php