While I basically agree, parents who fear to confuse their kids do have a point: I have heard preschoolers use portmanteaus like "bivor" for "please" (german "b

While I basically agree, parents who fear to confuse their kids do have a point: I have heard preschoolers use portmanteaus like "bivor" for "please" (german "bitte" + spanish "por favor") and having a jard time being understood outside of their immediate circle. OTOH, this is only anecdotal evidence and I guess it is safe to assume that kids will grow out of this quickly once exposed to a single "main" language in daycare or school.