Other
Grammar: English Basics Worksheets
Excellent and comprehensive collection of worksheets for students' grammar skills. Includes exercises on complete sentences, analogies, synonyms/antonyms, and more.
TESL Journal
Activities for Esl Students: Grammar Quizzes Difficult
These tests developed for English language learners by ELL teachers feature self-scoring quizzes that emphasize word choice, word usage, punctuation, and similar aspects related to the mechanics of language.
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...