VIL PHÉNOMÈNES DU MOUVEMENT
3. aient reçu, subjunctive required with avant que, containing an uncertain future time-reference.
Page 12. — 1. comme le ferait un emporte-pièce, as a ptinch .ivould do; note this common expletive use of the article, also the inverted order which likewise occurs elsewhere; cf. line 7 and Une 10.
2. fût-il, were //,» subjunctive used in conditional clause, with inversion, omitting si.