Present Simple vs Present Continuous
Past Simple or Present Perfect
Future with 'will' or 'going to'
Advanced Past Tense Forms Review
Advanced Future Tenses Review
Website carrying links to all tenses quizzes: Key Quizzes to Help You Review Tenses
I have only tried the Present Simple vs. Present Continuous Quiz and to my shame I got 9 out of 10 [:o] My excuse: I have a beer in hand. :)