UNIT 1

PRESENT SIMPLE
www.isabelperez.com/happy/tenses/exercises/pres_simple_quest1.htm
www.englisch-hilfen.de/en/exercises/tenses/simple_present_mix.htm

PRESENT CONTINUOUS
www.isabelperez.com/happy/tenses/exercises/present_cont_1.htm
www.englisch-hilfen.de/en/exercises/questions/present_progressive.htm

PRESENT SIMPLE vs PRESENT CONTINUOUS
www.isabelperez.com/happy/tenses/exercises/present_6.htm
www.englisch-hilfen.de/en/exercises/tenses/simple_present_progressive.htm


PRESENT PERFECT
www.englisch-hilfen.de/en/exercises/tenses/present_perfect_statements.htm
www.ego4u.com/en/cram-up/tests/present-perfect-simple-1

UNIT 2

THE PASSIVE
www.ego4u.com/en/cram-up/grammar/passive/exercises?simple-present
www.englisch-hilfen.de/en/exercises/active_passive/sentences_simple_past.htm
www.ego4u.com/en/cram-up/grammar/passive/exercises?simple-past
www.eslus.com/LESSONS/GRAMMAR/PASSIVE/Gramc.htm

RELATIVE CLAUSES
www.ego4u.com/en/cram-up/grammar/relative-clauses/exercises?09
www.englisch-hilfen.de/en/exercises/pronouns/relative_pronouns.htm

PAST SIMPLE vs PAST CONTINUOUS
www.isabelperez.com/exer/pastmix.htm
www.english-4u.de/iv_quiz1.htm
www.autoenglish.org/gr.pascon.i.htm

UNIT 3

COMPARATIVES AND SUPERLATIVES
www.isabelperez.com/comp.htm
www.isabelperez.com/super-sign.htm
www.englisch-hilfen.de/en/exercises/adjectives_adverbs/adjective_comparison.htm
www.usingenglish.com/quizzes/45.html

FUTURE
www.learn-english-online.org/Lesson39/willwont.htm
www.ego4u.com/en/cram-up/tests/future-1-will-2
www.kico4u.de/english/uebungen/aktiv/willfuture.htm