Chapter 540 Allen and Greenough's Latin Grammar Dickinson College Christopher Francese

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The Causal Particles quod and quia take the Indicative, when the reason is given on the authority of the writer or speaker; the Subjunctive, when the reason is given on the authority of another: —

Indicative:— cum tibi agam grātiās quod mē vīvere coēgistī (Att. 3.3) , when I may thank you that you have forced me to live. cūr igitur pācem nōlō? quia turpis est (Phil. 7.9) , why then do I not wish for peace? Because it is disgraceful. ita fit ut adsint proptereā quod officium sequuntur , taceant autem quia periculum vītant (Rosc. Am. 1) , so it happens that they attend because they follow duty, but are silent because they seek to avoid danger. Subjunctive:— mihi grātulābāre quod audīssēs mē meam prīstinam dīgnitātem obtinēre (Fam. 4.14.1) , you congratulated me because [as you said] you had heard that I had regained my former dignity. noctū ambulābat Themistoclēs quod somnum capere nōn posset (Tusc. 4.44) , Themistocles used to walk about at night because [as he said] he could not sleep. mea māter īrāta est quia nōn redierim (Pl. Cist. 101) , my mother is angry because I did n't return. Quod introduces either a fact or a statement , and accordingly takes either the Indicative or the Subjunctive. Quia regularly introduces a fact; hence it rarely takes the Subjunctive. Quoniam , inasmuch as, since , when now, now that , has reference to motives, excuses, justifications, and the like and takes the Indicative. Under this head what the speaker himself thought under other circumstances may have the Subjunctive (§ 592 . 3. N.): as, ego laeta vīsa sum quia soror vēnisset ( Pl. Mil. 387 ), I seemed (in my dream) glad because my sister had come.

So with quod even a verb of saying may be in the Subjunctive: as, —rediit quod sē oblītum nesciō quid dīceret (Off. 1.40) , he returned because he said he had forgotten something.

Nōn quod , nōn quia , nōn quō , introducing a reason expressly to deny it , take the Subjunctive; but the Indicative sometimes occurs when the statement is in itself true, though not the true reason. In the negative, nōn quīn (with the Subjunctive) may be used in nearly the same sense as nōn quod nōn . After a comparative, quam quō or quam quod is used:— pugilēs ingemēscunt, nōn quod doleant , sed quia profundendā vōce omne corpus intenditur (Tusc. 2.56) , boxers groan, not because they are in pain, but because by giving vent to the voice the whole body is put in a state of tension. nōn quia rēctior ad Alpīs via esset , sed crēdēns (Liv. 21.31.2) , not because the route to the Alps was more direct, but believing , etc. nōn quīn parī virtūte et voluntāte aliī fuerint , sed tantam causam nōn habuērunt (Phil. 7.6) , not that there were not others of equal courage and good-will , but they had not so strong a reason. haec amōre magis impulsus scrībenda ad tē putāvī, quam quō tē arbitrārer monitīs et praeceptīs egēre (Fam. 10.3.4) , this I thought I ought to write to you , rather from the impulse of (prompted by) affection than because I thought that you needed advice and suggestion.

Quoniam and quandō , since , introduce a reason given on the authority of the writer or speaker, and take the Indicative:— locus est ā mē, quoniam ita Murēna voluit , retrāctandus (Mur. 54) , I must review the point, since Murena has so wished. quandō ita vīs , dī bene vortant (Pl. Trin. 573) , since you so wish, may the gods bless the undertaking. quandō ad mâiōra nātī sumus (Fin. 5.21) , since we are born for greater things. The Subjunctive with quoniam is unclassical. Quandō , since , in the causal sense, is mostly archaic or late. Quandō , when , is used as interrogative, relative, and indefinite: as, quandō ? hodiē , when? to-day; sī quandō , if ever.

Causal clauses introduced by quod , quia , quoniam , and quandō take the Subjunctive in Indirect Discourse, like any other dependent clause (see § 580 ).

A Relative, when used to express cause , regularly takes the Subjunctive (see § 535 . e ).

Cum causal takes the Subjunctive (see § 549 ).

For Substantive Clauses with quod , see § 572 .

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