The ultimate French verb review and practice : mastering French verbs and sentence building for confident communication
David M Stillman and Ronni L. Gordon. (2006)
This combined reference and workbook takes a detailed look at verb formation and usage in French.
Focuses on language use for conversational purposes at advanced level, though tenses and moods used in writing/literature are covered briefly in an appendix.
Useful resource for adventurous intermediate or advanced level learners who wish to get to grips with more complicated aspects of French grammar, as well as widen their field of self-expression.
FR GRAM 23 Open access