French Style and Conventional Language

Formulas for argumentative paper
Quelques formules à utiliser pour l'étude d'un texte argumentatif de Stéphane Martin :
http://www.lettres.net/pdf/methodes/formules-sujetun.pdf

Making transitions
Linking and transition words are more commonly used in French than English. Here are some examples students at the 200-400 levels should always be using when they write:
For more linking words, see:
http://www.askoxford.com/languages/fr/writing_advice/style/?view=uk

Writing complex sentences
Here’s an online guide you might find useful :
http://www.georgetown.edu/faculty/spielmag/courses/txt/laphrase.htm