(13) Düire (< dūcĕre): dütz (< dūcit) düi (analogy of destrüi, trai).
(14) Eissir (< exīre): iesc, iescon, iesca, analogy of conosc, florisc, etc.; for vowel, see § [159], (2).
(15) Ésser estre (< ✱ĕssĕre = ĕsse). Pres. indicative: sŭm > sọn sọ (§ [82], M), then, by the analogy of ai and füi, sọi süi; ĕs became ęst ięst, perhaps through ĕs tu > ęs-t-u > ęst-tü, supported by the analogy of the preterit ending of the 2d sg. (vọs vendętz, tü vendęst or vendięst, so, to match vọs ętz, a form tü ęst or ięst); ĕst became ẹs, probably through such combinations as quẹ’s (understood as qu’ẹs); sīmu’, which existed in Latin beside sŭmus (Rom., XXI, 347), gave sẹm, while from ĕstis there was constructed an ✱ĕsmus > ęsmes (rare), and from ętz a form ẹm (very common); ĕstis > ęstz ętz (§ [78], 2); sŭnt > sọn sǫ (§ [83], Nt). Pres. subjunctive: sĭm, sīs, etc., were replaced in V. L. by ✱sĭam, ✱sĭas, etc. (on the analogy of fiam, faciam, etc.), which gave sía sías sía siám siátz, sían síon; we find also sẹia, etc., formed apparently on deia, veia. Imperative borrowed from subjunctive.
(16) Estar (< stare). Pres. indicative: estáu (< ✱stao) estáuc (§ [161]); estás (< stas); está (< stat) estái (analogy of fai, trai); estám (< stamu’); estátz (< statis) estáitz (after faitz); están (< stant) estáun (< ✱staunt); see § [137] (1). Pres. subjunctive: estía, etc., estéia, etc., patterned on sia, seia; also estéi, perhaps a cross between esteia and ✱esté < stem. Imperative: está, estáitz.
(17) Faire far (< facĕre ✱fare): § [137], (1). Pres. indicative: fatz (< facio) fau (analogy of dau, estau) fac fauc (§ [161]); fas (< ✱fas); fatz (< facit) fa (< ✱fat) fai (influence of faire, faim, faitz, and of trai); faim (< facĭmu’: § [167], 1) fam (< ✱famu’) fazém (see fazétz); faitz (< facĭtis) fatz (< ✱fatis) fazétz (analogy of regular verbs, crezétz, etc.); fan (< ✱fant) faun (analogy of daun, estaun). Pres. subjunctive: faça fassa, etc. (< faciam, etc.). Imperative: fai (< fac); fatz faitz (borrowed from indicative) fait (< facĭte).
(18) Iazér (< jacēre), also iassér (influence of ias < iatz < jacet, and of iassa?): iatz (< jacet) iai (analogy of fai, trai); iassa (< jaceam) iaia (analogy of traia, vaia).
(19) Movér móure (< movēre ✱mŏvĕre): mova (< ✱mŏvam = mŏveam) moga (analogy of traga).
(20) Partir (< partīre): part (< ✱parto = partio) parc (§ [161]); so parta parga.
(21) Perdre (< pĕdĕre): pert perc, perda perga; see § [161].