[1709.] (3.) The subjunctive is often coordinated with expressions of propriety or necessity. Such are oportet, optumum est, opus est, decet, necesse est.
mē ipsum amēs oportet, nōn mea, Fin. 2, 85, it is myself you should love, not my possessions. quoniam habēs istum equom, aut ēmerīs oportet, aut hērēditāte possideās, aut surripuerīs necesse est, Inv. 1, 84, since you are in possession of that horse, you must either have bought him or inherited him, or else you must necessarily have stolen him. sed taceam optumumst, Pl. E. 60, but I’d best hold my tongue. nihil opust rescīscat, Pl. Mer. 1004, she needn’t find it out at all. condemnētur necesse est, RA. 111, be condemned he needs must.
[1710.] (4.) The subjunctive is sometimes coordinated with verbs of permission or concession. Such are permittō in Sallust and Livy, concēdō, also sinō, mostly in the imperative, chiefly in old Latin and poetry, and the impersonal licet (used thus often in Cicero, rarely before or after): as,
supplēmentum scrīberent cōnsulēs, permissum, L. 27, 22, 11, leave was given that the consuls might fill up the army. sine sciam, L. 2, 40, 5, let me know. sine modo adveniat senex, Pl. Most. 11, let but the old man come. fremant omnēs licet, dīcam quod sentiō, DO. 1, 195, though everybody may growl, I will say what I think. See [1904].
[1711.] (5.) The subjunctive is often coordinated with the imperative cavē̆, cavētō, cavēte, beware, used in the sense of nē ([1585]): as,
cavē faciās, Att. 13, 33, 4, don’t do it. cave dīrumpātis, Pl. Poen. prol. 117, don’t break it off ([1075]).
[1712.] (6.) The subjunctive is often coordinated with verbs of giving, persuading, accomplishing, taking care. In this case the subjunctive has the meaning of purpose or result. Such are the imperative cedo, and dō, persuādeō, impetrō, cūrō, also faciō, particularly fac and facitō: as,
cedo bibam, Pl. Most. 373, give me to drink. date bibat tībīcinī, Pl. St. 757, give the piper to drink. huic Sp. Albīnus persuādet rēgnum Numidiae ā senātū petat, S. I. 35, 2, Albinus induces him to ask of the senate the throne of Numidia. tandem inpetrāvī abīret, Pl. Tri. 591, at last I’ve coaxed him to clear out. fac sciam, Fam. 7, 16, 3, let me know. faxō sciās, Pl. Men. 644, I’ll let you know, much oftener sciēs or scībis ([1700]). fac bellus revertāre, Fam. 16, 18, 1, mind you come back a beauty ([1579]).
[1713.] A subjunctive is now and then loosely coordinated with verbs in general, to indicate the purpose of the action: as,