Useful Links
Here are several links to help you with you English. You'll find here on-line dictionaries and a good guide to grammar and writing and a few other things.
English-French and French-English dictionary
Guide to Grammar and Writing
Grammar practice and tests:
https://www.ego4u.com/en/cram-up
https://www.english-4u.de/tenses_exercises.html
Le Ministère de l'Éducation, du Loisir et du Sport
http://www.education.gouv.qc.ca/en/home