§944.
The PREDICATE,
Omission of the Verb
Ellipsis of the Copula.

英語原文

The copulative verb εἶναι is often omitted, especially the forms ἐστί and εἰσί. This occurs chiefly

In general or proverbial statements : κοινὴ ἡ τύχη καὶ τὸ μέλλον ἀόρᾱτον chanse is common to all and the future cannnot be scanned I. 1.29 ;
In expressions of necessity, duty, etc. : ἀνάγκη φυλάττεσθαι it is necessary to be on our guard D. 9.6. So with ὤρᾱ, καιρός, εἰκός, χρεών, δέον, verbals in -τέον (2152), as θεραπευτέον τοὺς θεούς we must serve the gods X. M. 2.1.28 ;
With various adjectives : ἄξιος, δυνατός, πρόθῡμος, δίκαιος, οἷος, φροῦδος, ἕτοιμος ; thus, εἴ τις ἐπερωτῴη πότερον κρεῖττον if anybody should ask whether it is better X. M. 1.1.9.