Abbreviations -- Introduction -- Part I. The verbal domain -- The verbal domain: syntactic assumptions -- The verbal domain in child L1 French -- The verbal domain in French bilingual acquisition and in children with SLI learning French -- The verbal domain in French L2 acquisition -- Part II. Subject and object pronouns -- Subject and object pronouns: morphosyntactic background -- Subject and object pronouns in child L1 French -- Subject and object pronouns in French bilingual acquisition and in children with SLI learning French -- Subject and object pronouns in L2 French acquisition -- Part III. Determiner phrases -- Determiner phrases: morphosyntactic assumptions -- Determiner phrases in child L1 French -- The development of DPs in French bilingual acquisition and in children with SLI learning French -- Determiner phrases in L2 French acquisition -- Part IV. Questions and embedded clauses -- Questions and embedded clauses in French: facts and analyses -- Questions and embedded clauses in child L1 French -- The development of questions and embedded clauses in French bilingual acquisition and in children with SLI learning French -- Questions and embedded clauses in L2 French acquisition -- Conclusion -- References.