Et quando in prima acie comparant ad bellandum, mirabilitèr sese constringunt, vt media pars numeri eoram vix credatur.

Numeri igitur sunt duo; Singularis et Pluralis.

This is an old rule, which seems to have been very much forgotten by modern authors; though doubtless it is as true, and as worthy to be perpetuated, as that which supposes the nominative to govern the verb: "Omne verbum personale finiti modi regit ante se expresse vel subaudite ejusdem numeri et personæ nominativum vel aliquid pro nominativo: ut, ego scribo, tu legis, ille auscultat.