What is the rule for using the "passive se" (e.g. "¿Cómo se dice?") with a reflexive verb that involves another se pronoun? For example, how would you translate "One takes a shower (ducharse) ...
Many materials for learning Spanish, discuss the "impersonal se" (e.g. ¿Se puede tocar esto?) and "passive se" (e.g. Se habla español.). What exactly are these forms grammatically? Is the se in both ...