Modals can express different forces: can means possible, must means necessary. They also can express various flavors: epistemic, deontic, ability… How, and when, do children figure out these two dimensions? To answer these questions, we use insights from corpus studies of children’s early modal productions and input and behavioral experiments with adults.

- English corpus study (with Annemarie van Dooren, Ailís Cournane and Valentine Hacquard)
- French corpus study (with Ira Noveck)
- Novel-Word Learning Experiment (with Ailís Cournane and Valentine Hacquard)