http://www.esl-lounge.com/student/grammar/3g13-active-passive-exercise.php
http://www.englishgrammarsecrets.com/passive/exercise2.swf
http://www.english-grammar-lessons.com/passive/exercise3.swf
Object pronouns
http://www.montsemorales.com/gramatica/Objectpronpass.htm
http://www.myenglishpages.com/site_php_files/grammar-exercise-object-pronouns.php
http://www2.arnes.si/~oskplucija4/ces/objpron.htm
http://www.harcourtschool.com/activity/sea_park/index_pre.html
Comparative
http://first-english.org/english_learning/english_year_2/as_as_than/30_than_english_exercises.htm
http://www.englishexercises.org/makeagame/viewgame.asp?id=2070
http://www.better-english.com/grammar/comparatives.htm
Be careful!
With adverbs ending in -ly, you must use more to form the comparative, and most to form the superlative.
Adverb | Comparative | Superlative |
---|---|---|
quietly | more quietly | most quietly |
slowly | more slowly | most slowly |
seriously | more seriously | most seriously |