Grammar Revision
Grammar Rules
Adjectives and Adverbs
Adjective or Adverb - Which to Use? (esl.about.com)
The Tenses
Using Verb Tenses (University of Ottawa)
Using Verb Tenses in Sequences (University of Ottawa)
The Present Perfect (geocities.com)
Conditional Clauses
Conditional Clauses: real and unreal (geocities.com)
Grammatical Terms
Glossary of Grammatical Terms (people.southwestern.edu)
Grammar Terms at Grammar Bytes
Grammar Exercises (online)
General
English Grammar Book (Englishpage.com)
'Grammar Challenge' (BBC.co.uk)
Self-Study Grammar Quizzes (a4esl.com)
Grammar Quizzes (eslpartyland.com)
Pre-intermediate to High-intermediate Level English (ESL Blues)
Grammar Quizzes - Learning Grammar (esl.about.com)
Past Tense Forms quiz (about.com)
Adjectives and Adverbs
Adjectives and Adverbs (englishlearner.com)
Prepositions
Prepositional Phrases (About.com: English as 2nd Language)
Reported Speech
Reported Speech (englishlearner.com)
Reported Speech (University of Victoria, Canada)
Tenses and Aspect
Simple or Continuous Tenses (englishlearner.com)
Tenses and Aspect intermediate I (englishlearner.com)
Tenses and Aspect intermediate II (englishlearner.com)
Present Simple or Present Continuous (englishlearner.com)
The Simple Past (englishlearner.com)
Past Tense Forms Review Quiz (esl.about.com)
Future Tenses Review Quiz (esl.about.com)
A Mixed Exercise: the Tenses and the Gerund (englishlearner.com)
Teaching Grammar
Teaching Grammar (geocities.com)