Numbers

http://www.englisch-hilfen.de/en/grammar/zahlen.htm

http://www.montsemorales.com/vocabulario/numbers11-20.htm

http://eolf.univ-fcomte.fr/uploads/ressources/grammar/10_numbers%20-dates/05a_cardinal_numbers/12.htm

http://www.englisch-hilfen.de/en/exercises/various/crossword_numbers.htm

Class 2.6 Comparatives

http://www.members.iinet.net.au/~adelegc/grammar/comparatives/comparatives1.html (ADJECTIVES)

http://www.members.iinet.net.au/~adelegc/grammar/comparatives/comparatives2.html

(ADJECTIVES)

http://www.members.iinet.net.au/~adelegc/grammar/comparatives/comparatives3.html

(ADJECTIVES)

http://www.citycol.com/esol/saccess/lang_systems/grammar/gr-ele/g-el-it/comparatives2.htm

http://www.tolearnenglish.com/exercises/exercise-english-2/exercise-english-28752.php

http://www.ego4u.com/en/cram-up/grammar/adjectives-adverbs/adjectives/exercises

http://www.hshc.de/unterricht/comparison/comparison.htm

http://www.marks-english-school.com/games/basketball.html (GAME)

Class 2.3 Past Continuous

http://www.englisch-hilfen.de/en/exercises/tenses/past_progressive_statements.htm

http://www.members.iinet.net.au/~adelegc/grammar/past_cont/past_cont_1.html

http://www.ego4u.com/en/cram-up/grammar/past-progressive/exercises?03

http://www.ego4u.com/en/cram-up/grammar/past-progressive/exercises?04

http://www.ego4u.com/en/cram-up/grammar/past-progressive/exercises?05

http://www.ego4u.com/en/cram-up/grammar/past-progressive/exercises?06

http://kidseslgames.com/grammar%20games/Past%20Continuous/pastcontinuous1.html  (GAME)

http://www.englishgrammarsecrets.com/pastcontinuous/exercise2.swf

http://www.englishtenseswithcartoons.com/test/when_or_while_test (when and while)