A Story to Remember (review of the past):
http://www.esl-lab.com/story1/story1.htm
Crime Verbs and Prepositions:
http://www.bbc.co.uk/apps/ifl/worldservice/quiznet/quizengine?ContentType=text/html;quiz=167_quiznet
Articles :
http://www.bbc.co.uk/apps/ifl/worldservice/quiznet/quizengine?quiz=1540_quiznet
Adjective Order :
http://www.bbc.co.uk/apps/ifl/worldservice/quiznet/quizengine?quiz=1131_quiznet
Count and Non Count Nouns:
http://owl.english.purdue.edu/handouts/esl/eslcount.html
Verb Tense Quiz:
http://www.manythings.org/fq/fq002.html
http://owl.english.purdue.edu/handouts/interact/index.html