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On the other hand, the infinitive and participle may take the place of the finite verb in the apodosis, whenever the latter appears in a dependent sentence, which requires either of these verb-forms (below, 593, 594). Thus (α) the particle ἄν is very often found with the infinitive after such verbs as οἴομαι, δοκῶ, νομίζω, ἡγοῦμαι, ἐλπίζω, ὑπολαμβάνω, denoting opinion or expectation, and also after verbs like λέγω, φημί, ὁμολογῶ, ὑπισχνοῦμαι, ὄμνυμι, denoting the expression of the thoughts in words with reference to something conditional, as Thucyd. II. 20: τοὺς ̓Αθη ναίους ἤλπιζεν ἴσως ἂν ἐπεξελθεῖν, καὶ τὴν γῆν οὐκ ἂν περιϊδεῖν τμηθῆναι, because in the independent sentence we should have had ἴσως ἂν ἐπεξέλθοιεν καὶ οὐκ ἂν περιΐδοιεν. It is more than doubtful whether the future infinitive is ever used with av. Instances are found in some of the existing texts, but they seldom stand the test of criticism (see Preface to Thucydides, p. xi). We find av with the infinitive used substantively, as Thucyd. VII. 62: διὰ τὸ βλάπτειν ἂν τὸ τῆς ἐπιστήμης, " on account of the fact that it would be a hindrance to the application of our skill." (b) The apodotic use of the participle with av is generally found in objective, relative and causal sentences; as Thucyd. Ι. 76: εὖ ἴσμεν μὴ ἂν ἧσσον ὑμᾶς λυπηροὺς γενομένους, “ we are quite convinced you would not have been less vexatious," where the protasis is εἰ ὑπομείναντες ἀπήχθησθε. Plat. Crit. p. 48 c: τῶν ῥᾳδίως ἀποκτιννύντων καὶ ἀναβιωσκομένων γ ̓ ἄν, “ of those who would without hesitation slay and restore to life again." Thucyd. 1. 73: ἀδυνάτων ἂν ὄντων πρὸς ναῦς πολλὰς ἀλλήλοις βοηθεῖν, " as they would have been unable to assist one another when opposed to so many ships.” Xen. Anab. I. 1, § 10: ὡς οὕτω περιγενόμενος ἂν τῶν ἀντιστασιωτών, “ on the ground that he would in this way have kept the better of his political opponents." On the repetition of av with the participle when it really belongs to the verb of the sentence, see below, 508, (a).
506 The student must observe, that as av is the antecedent of ei, when such an indefinite antecedent requires to be expressed, and both ἄν and τις of ös, we may write ἐάν= εἰ ἄν and ὃς ἄν, or ὅστις, οι ὅστις ἄν if we wish to express the English “ whensoever" or "whosoever," in regard to the present or future apodosis, that is, in those cases when these indefinite antecedents are not expressed in the apodosis.
507 The following is the general rule respecting the use of av (ke, Kev) in the formation of conditional propositions. (1) With the optative av is always used in the apodosis, seldom, if ever, in the protasis. (2) The subjunctive never stands in the apodosis, but always in the protasis, and is generally attended by av. With regard to the former of these rules, it is to be observed that a complete hypothetical proposition with its apodosis may be occasionally included in the sentence with ei, and in this case av may be used with the included apodosis. Thus in Demosth. Mid. p. 582, ad fin.: εἰ οὗτοι, χρήματα ἔχοντες, μὴ πρόοιντ' ἄν, there is an included protasis in the participle exovτes, and the sentence involved is εἰ οὗτοι χρήματα ἔχοιεν, οὐκ ἂν πρόοιντο, so that the full meaning is as follows: "if they, on the supposition that they had money, would not part with it." Similarly in Isocr. Archid. p. 120, ad fin.: εἰ μηδεὶς ἂν ὑμῶν ἀξιώσειε ζῆν ἀποστερού μevos τηs πaτpídos, "if no one of you, on the supposition that he was deprived of his country would, on that supposition, think it worth while to live." With regard to the latter rule, we shall see that this does not apply to the Homeric use of the subjunctive mood (below, 513).
508 (a) In the apodosis av is always placed after the word which produces the greatest influence on the predication, which gives its colour to the sentence, and which therefore comes nearest to the notion of an antecedent. It is therefore attracted to negatives, superlatives, demonstrative pronouns, interrogatives, and verbs of thinking. Thus we should write:
ταῦτ ̓ ἂν εἴποι.
μάλιστ ̓ ἂν εἴποι ταῦτα.
οὐκ ἂν μάλιστα εἴποι ταῦτα.
ἐδόκουν ἂν ἐμοὶ ταῦτα μάλιστα εἰπεῖν.
οὐκ ἂν ἐδόκουν ἐμοὶ ταῦτα μάλιστα εἰπεῖν.
τί οὖν ἂν ἐδόκουν σοὶ μάλιστα εἰπεῖν;
As a result of this rule respecting the position of av, it may be repeated when there is more than one emphatic word in the sentence. This is particularly the case with the negative, and there are instances in which the repetition follows immediately, as Eurip. Troad. 456: οὐκέτ ̓ ἂν φθάνοις ἄν; Id. Heracl. 721 : φθά νοις δ ̓ ἂν οὐκ ἄν; Arist. Lys. 361: φωνὴν ἂν οὐκ ἂν εἶχον. And we may have a double repetition in the same sentence, as in Eurip. Andr. 916: οὐκ ἂν ἔν γ' ἐμοῖς δόμοις βλέπουσ ̓ ἂν αὐγὰς τἄμ' ἐκαρποῦτ ̓ ἂν λέχη; Id. Troad. 1233: ἀφανεῖς ἂν ὄντες οὐκ ἂν ὑμνηθεῖμεν ἂν Μούσαις. When a participle appears in these passages, the student must be on his guard against the error, into which some inaccurate scholars have fallen, of supposing that the repeated av belongs to this form of the verb. For example, the first av belongs, like the second, to the finite verb or infinitive which follows in Soph. d. Τ. 446: συθείς τ ̓ ἂν οὐκ ἂν ἀλγύναις πλέον. Herod. VII. 139 : ὁρῶντες ἂν ἐχρήσαντο ἄν. Thucyd. vi. 18 : νομίσατε τό τε φαῦλον καὶ τὸ μέσον καὶ τὸ πάνυ ἀκριβὲς ἂν ξυγκραθὲν μάλιστ ̓ ἂν ἰσχύειν.
On the other hand av is omitted in the apodosis, when it is easily supplied from a parallel sentence, as in Esch. Agam. 1049: πείθοι ̓ ἄν, εἰ πείθοι, ἀπειθοίης δ ̓ ἴσως. Xen. Hier. 11, § 11: οὐ μόνον φιλοῖ ̓ ἄν, ἀλλὰ καὶ ἐρῷο ὑπ ̓ ἀνθρώπων.
(b) In the protasis av always follows the relative word, which expresses the condition, such as ὅς, ὅπως, ὡς, &c. (above, 503); and it coalesces with εἰ, ὅτε, ἐπειδή, which become ἐάν, ὅταν, ἐπειδάν, &c. These combinations are always followed by the subjunctive mood; whence the rule for beginners: Relativa et particulæ relativæ cum ἂν subjunctivum exigunt.
§ III. General Rules respecting the Use of the Moods in
509 In the Attic writers it is only the indicative mood which can, without the aid of the indefinite antecedent av, form the apodosis of a conditional proposition. Of course, it is only this mood which can stand by itself in a categorical proposition.
510 Only the indicative and optative, assisted by av, can form the apodosis of a conditional proposition, and, with very rare and doubtful exceptions, av is used only with past tenses of the indicative. In the passages quoted by the grammarians as instances of the use of av with the future indicative (Xen. Cyr. VII. 5, § 21; IV. 5, 49; Thucyd. I. 140; Plat. Phæd. p. 61 c; Crito, p. 53 c; Resp. p. 615 D; Eurip. Andr. 464; Dinarch. in Dem. § 111), the best modern editors have either omitted the av or changed the future into the optative.
511 The other moods and the participles belong to the protasis or to the adverbial sentence; except that the participle and infinitive may be converted into subjects by prefixing the article (above, 400, (a), b, c), and that the participle may form the primary predicate of a sentence (above, 420), and the infinitive or participle may express the apodosis of a condition (505).
512 It is the practice in most treatises on Greek syntax to discuss the uses of the moods according to their conjugational subdivisions. This is false in theory and mischievous in practice. The functions of a mood should be separately stated with reference to the different kinds of sentences in which they may appear. An examination, however, of the use of the moods in conditional propositions, amounts, in effect, to a general discussion of their distinctive employments.
SIV. The Subjunctive and Optative in Conditional
513 It has been already remarked (292), that these moods are by-forms of the future and aorist. The subjunctive was originally a determinate tense, like the future, and signified "the probable occurrence of something after the time of speaking" (422, (a)). The optative, as an aorist, signified "the probable occurrence of something after the time specified" (422, (B)). Thus, in Homer, we find these forms used as tenses in categorical predications.
(a) The subjunctive opposed to the aorist:
οὐ γάρ πω τοίους ἴδον ἄνερας, οὐδὲ ἴδωμαι (ΙΙ. Ι. 262), i.e. "for I have not yet seen such men, nor is it probable that I shall behold such men hereafter."
(b) The optative parallel with the aorist:
ὁ δὲ χερμάδιον λάβε χειρί,
Τυδείδης, μέγα ἔργον, ὃ οὐ δύω ἄνδρε φέροιεν
i. e. "he, Tydeides, took up a great stone, which it is not probable that men of our time would take up, if similar circumstances were to occur."
This categorical or apodotic use of the optative without av is common not only in Homer, but in Pindar (see Ol. III. fin., IX. 80, x. fin.; Pyth. IV. 118, x. 21) and the bucolic poets (see Theocr. VIII. 20; Mosch. III. 108).
514 With this signification of probability is intimately connected the implied ground of such probability, namely, frequent occurrence; insomuch that in later Attic Greek the adverb Xákis, "often," is used in a protasis to signify "perchance" or "probably," i. e. "as often happens" (Heindorf, ad Plat. Phæd. p. 19). Hence we find, that, in the protasis of conditional propositions, the subjunctive, preceded by the conditional words and av (506), and the optative without av (507), presume a repetition or frequency of occurrence. If the subjunctive is followed by its cognate tense the future, we have seen that the conditional proposition looks to a probable result; if the optative is followed by another optative with av, we have a mere supposition (499):
å äv exy, Swσe, "whatever he shall have, or as often as he shall have anything, he will give it."
exoi, didoin av, "whatever he might have, or as often as he had anything, he would give it."
But if the continuous present and past tenses are used in the apodosis, the implication of frequency is more strongly marked:
ἐάν τινας οὓς
ïồŋ, èπaiveî, “whomsoever he sees, as often as he sees them, he praises."
ido, éπývei, "whomsoever he saw, as often as he saw them, he praised."
Where the present tense presumes the fact, the imperfect assumes it.