Comparative
- http://www.citycol.com/esol/saccess/lang_systems/grammar/gr-ele/g-el-it/comparatives.htm
- http://www.citycol.com/esol/saccess/lang_systems/grammar/gr-ele/g-el-it/comparatives2.htm
- http://www.citycol.com/esol/saccess/lang_systems/vocabulary/v-int/v-i-it/comparatives_drag_drop.swf
- http://www.adelescorner.org/grammar/comparatives/comparatives1.html
- http://www.adelescorner.org/grammar/comparatives/comparatives2.html
- http://www.adelescorner.org/grammar/comparatives/comparatives3.html
- http://inglesnanet.com/grammar/comp.htm
- http://www.angelfire.com/on/topfen/testscompara2.html
- http://www.englishexercises.org/makeagame/viewgame.asp?id=2065
- http://www.hshc.de/unterricht/comparison/comparison2.htm
Superlative
- http://www.adelescorner.org/grammar/comparatives/superlatives.html
- http://www.adelescorner.org/grammar/comparatives/superlatives2.html
- http://www.carmenlu.com/first/grammar/superlative1_1.htm
- http://www.englishexercises.org/makeagame/viewgame.asp?id=1876
- http://www.englishexercises.org/makeagame/viewgame.asp?id=1833
Contrast comparative / superlative
