Here are a few websites which could be helpful for your children's exam revision.

www.bbc.co.uk/schools/gcsebitesize/french/

www.bbc.co.uk/languages/french/

www.happychild.org.uk/freeway/french/index.htm

atschool.eduweb.co.uk/rgshiwyc/school/curric/french/verbbuster/VerbBusterindex.htm

french.about.com/od/grammar/French_Grammar.htm