sitan

[← Prot-Germ *sitjan; OE sittan (Mod E sit); O Fris sitta; O Sax sittian; Dt zitten; OHG sizzen (Mod გერმ. sitzen); Icel sitja; Dan sidde; Norw sitte; Swsitta ← Indo-Europ *sed-; Sanskr sīdati; Anc Gr ἔζομαι; Lat sedēre; O Ir saidid; Lith sėdėti; O Slav сѣдѣти (Russ сидеть)]

sitaiwa - 1 pers, dual, pres, optat - Mrk. X, 37
sat - 3 pers, sing, p, indicat - Matth. XXVI, 69; Mrk. X, 46; XI, 2; Luk. XVIII, 35; XIX, 30; Jhn. IX, 8
setun - 3 pers, pl, p, indicat - Mrk. III, 32
sitan - inf- Mrk. X, 40
sit - 2 pers, sing, imper - Mrk. XII, 36; Luk. XX, 42
sitands - pres.p.- Matth. IX, 9; XI, 16; XXVII, 19; XXVII, 61; Mrk. II, 6; II, 14; III, 34; V, 15; IX, 35; XIV, 54; XIV, 62; XVI, 5 etc

4.1.1.5. (a)

V class	infinitive	preterite singular	preterite plural	past participle
	normal grade	normal grade	lengthened grade	normal grade
i/ă	-i-	-a-	-ē-	-i-
additional element of vowel gradation for this class is any consonant, except sonant, e.g. -b-, -h-, etc.	i + b = ib	a + b = ab	ē + b = ēb	i + b = ib
to give	giban	gab (gaf)	gēbum	gibans
	i + h = aih [-ɛ-]	a + h = ah	ē + h = ēh	i + h = aih [-ɛh-]
to see	saíƕan [-ɛ-]	saƕ	sēƕum [-ē-]	saíƕans [-ɛ-]

See the complete paradigm of the conjugation of strong verbs