Some unusual uses of the pronominal adverb (or adverbial pronoun) en: when en is used to replace the possessive adjective son/sa/ses, and in certain idiomatic expressions in which en does not have a specific antecedent.
Inversion of noun subject and verb in subordinate clauses in French: clauses introduced by que (whether the direct object relative pronoun or the conjunction), dont, où, and other words.
The French way getting somebody else to do something is with the faire causatif. It performs two functions for the price of one: having someone do something and having something done.
Forms of the Imperative; Use with pronoun objects; the Third-Person Imperative; and Yet Other Matters Imperative.