BBC
Bbc World Service: Learning English Grammar
The Grammar and Vocabulary area of the BBC World Service site has a section on common grammar problems and a section on idioms and expressions. There are also links to pages that provide English language learning opportunities that...
InterLink Language Centers
Esl Resource Center: Grammar Skills Practice
Several short lessons and pop quizzes for practicing grammar skills.
Other
Musical English Lessons
Learn English vocabulary and grammar through songs from a wide range of famous pop artists from the Beatles and Elvis to contemporary standouts like Avil Lavigne, Good Charlotte, and James Blunt. Find an exercise by grammar or vocabulary...
Other
Grammar Man Efl/esl Comics for Students and Teachers
Creative blend of cartooning and ESL. Students can read the adventures of Grammarman -- where they help Grammarman right evil grammar wrongs -- or do a WebQuest on how to create their own cartoons and submit them to the student gallery....
Ingles Mundial
Ingles Mundial: Intermediate Level
Improve English language proficiency at this comprehensive ELL (English Language Learner) site for Spanish-speaking students. It is subdivided into eight areas of language development: vocabulary, grammar, listening comprehension,...
British Council
British Council: Go4 English: English for Arabic Speakers
Go4English is a website of the British Council dedicated to teaching English to Arabic-speaking children and adults. It includes lesson plans, self-tests, learning exercises, games, stories, songs, and many more activities and...
Other
Hong Kong Education City: English Campus
English Campus is an excellent site for Chinese speakers learning English. It includes seven channels - Watch, Read, Practice, Play, Create, Meet, and a Teachers' Corner. Learn by playing word and grammar games, watching movies and...
Northern Illinois University
Vietnamese English Matching Games
Matching games and lessons for English-speaking learners of Vietnamese. Could also be useful vocabulary practice for Vietnamese-speaking English language learners.
Other
Clta: Esl Activities Online
This Canadian site offers 40 grammar lessons, as well as lessons in use of idioms and other idiosyncrasies of the English language. There are interactive lessons and quizzes, and reading selections with comprehension questions.
Other
College Edouard Montpetit: Esl Blues
This professor's website has online quizzes for the grammar lessons, including a diagnostic test to help the student assess his or her language level. There are tutorials for grammar lessons on a wide range of topics and explanations of...
Other
English at Home: Learn English
Designed for English Language Learners, this site offers a collection of lessons on grammar, vocabulary, tenses, verbs and speaking. It includes sections on idioms and real-life English, as well as quizzes. This can be used as an...