Translate the following English sentence to French:
"If that is the case, we would have to provide Members of the House with a greater ability to carry out their mandate, more and better information and we would have to ensure that the political groups are more accountable and that the staff of the European Parliament is more efficient."
Alors il faut conférer aux députés plus de compétences pour exercer leur mandat, fournir des informations plus nombreuses et de meilleure qualité, permettre aux groupes politiques d' apporter de meilleures réponses aux problèmes de l' Union, et rendre les services du Parlement européen plus efficaces.