εἰ, conjunctive particle, used in conditions and in indirect questions. __I. Conditional, if; __1. with indic, expressing a general assumption; __(a) pres.: before indic, pres., Refs Mat.11:14, Rom.8:25, al.; before imperat., Refs Mrk.4:23 9:22, Jhn.15:18, 1Co.7:9, al.; before fut. indic., Refs Luk.16:31, Rom.8:11, al.; before pf. or aor., with negation in apodosis, Refs Mat.12:26, Rom.4:14, al.; similarly, before impf., Refs Luk.17:6, Jhn.8:39; before quæst., Refs Mat.6:23, Jhn.5:47 7:23 8:46, 1Pe.2:20; __(b) fut.: Refs Mat.26:33, 1Pe.2:20; __(with) pf.: Refs Jhn.11:12, Rom.6:5, al.; __(d) aor.: Refs Luk.16:11 19:8, Jhn.13:32, 18:23, Rev.20:15, al. __2. Where the assumption is certain = ἐπεί: Refs Mat.12:28, Jhn.7:4, Rom.5:17, al. __3. Of an unfulfilled condition, with indic, impf., aor. or plpf., before ἄν, with imp. or aor. (see: ἄν, I, i). __4. C. indic., after verbs denoting wonder, etc., sometimes, but not always, coupled with an element of doubt: Refs Mrk.15:44, 1Jn.3:13, al. __5. C. indic., as in LXX (Refs Num.14:3o, 1Ki.14:45, al. = Heb. אִם), in oaths, with the formula of imprecation understood in a suppressed apodosis (WM, 627; Burton, §272): Refs Mrk.8:12, Heb.3:11" (LXX)>Refs 4:3 (LXX). __6. Rarely (cl.) with optative, to express a merely possible condition:
Probably from G142 (through the idea of drawing a conclusion); a particle denoting an inference more or less decisive (as follows)
KJV Usage: haply, (what) manner (of man), no doubt, perhaps, so be, then, therefore, truly, wherefore. Often used in connection with other particles, especially G1065 or G3767 (after) or G1487 (before).
KJV Usage: he that, if a (-ny) man (‘s thing, from any, ought), whether any, whosoever.
From G1909 and G1487; thereupon, that is, since (of time or cause)
KJV Usage: because, else, for that (then, -asmuch as), otherwise, seeing that, since, when.
Probably for an obsolete τύχω tuchō (for which the middle voice of another alternate τεύχω teuchō [to makeready or bringtopass ] is used in certain tenses; akin to the base of G5088 through the idea of effecting; properly to affect; or (specifically) to hit or lightupon (as a mark to be reached), that is, (transitively) to attain or secure an object or end, or (intransitively) to happen (as if meeting with); but in the latter application only impersonally (with G1487), that is, perchance; or (present participle) as adjective usual (as if commonly metwith, with G3756, extraordinary), neuter (as adverb) perhaps; or (with another verb) as adverb by accident (asitwere)
KJV Usage: be, chance, enjoy, little, obtain, X refresh . . . self, + special.
Including the oblique forms, as well as ἦς ēs ace ; ἦ ē ay , etc.; the subjunctive of G1510; (may, might, can, could, would, must, etc.; also with G1487 and its compounds, as well as with other particles) be
KJV Usage: + appear, are, (may, might, should) be, X have, is, + pass the flower of her age, should stand, were.
A primary particle of qualified negation (whereas G3756 expresses an absolute denial); (adverbially) not, (conjugationally) lest; also (as interrogitive implying a negative answer [whereas G3756 expects an affirmative one]); whether
KJV Usage: any, but, (that), X forbear, + God forbid, + lack, lest, neither, never, no (X wise in), none, nor, [can-] not, nothing, that not, un [-taken], without. Often used in compounds in substantially the same relations. See also G3362, G3363, G3364, G3372, G3373, G3375, G3378.
From G1487 and G302; a conditional particle; incase that, provided, etc.; often used in connection with other particles to denote indefiniteness or uncertainty
KJV Usage: before, but, except, (and) if, (if) so, (what-, whither-) soever, though, when (-soever), whether (or), to whom, [who-] so (-ever). See G3361.