Verbs Online provides foreign language students with a good selection of activities for practicing verb conjugations. Practice activities are available in English, Spanish, French, German, Italian, and Portuguese. The practice activities deal with the past, present, and future tenses of regular and irregular verbs. Students can choose to do the activities in sets of ten through fifty practice items.

Here are a couple of screenshots from my test drive of Verbs Online.

Applications for Education
Verbs Online is an easy-to-use source of practice activities for students learning any of the six languages available on the site. Students receive can instant feedback at the end of every practice activity. If a student struggles with an item or items they can use the hint button to get a little help.

Here are some related resources that may be of interest to you:
Hello World – Language Games for Kids
Leximo – The World’s Multilingual Dictionary
Make Beliefs – Multilingual Comic Strip Creation