Artificial intelligent assistant

preterite-present

ˈpreterite-ˈpresent, a. (n.) Gram.
  [ad. mod.L. præterito-præsens, neut. pl. -præsentia, f. præteritus preterite + præsens present.]
  Applied to verbs of which the tense now used as the present was originally a preterite (or to this tense); esp. to the small group of verbs in the Germanic languages (mostly auxiliaries of predication) represented in English by can, dare, dow, may, must, shall, thar, will, wit, of which the current present tense is in form and origin a preterite, from which the current past tense is a new weak formation; also applicable to the Latin verbs cœpi, memini, novi, odi, the Greek οἶδα, etc. Also preterito-presential.

[1870 Helfenstein Compar. Gram. Teut. Lang. 521 The preterite indicative is always in imitation of the præterito-præsentia wolta, rarely wëlta, subj. wolti.] 1874 Mason Eng. Gram. (ed. 19) 78 note, These preterite-presents may be compared with οἶδα, novi, &c., in Greek and Latin. [1880 Earle Philol. Eng. Tongue §291 These help-verbs are a very ancient group of so-called praeterito-praesentia.] 1888 New Eng. Dict. s.v. Can. 1892 Sweet New Eng. Gram. §1477 Most of the MnE [= mod.Eng.] verbs that we class as anomalous are old preterite-present verbs. 1892 Wright Primer Gothic Lang. §272 Preterite-Presents. These verbs have strong preterites with a present meaning..to which new weak preterites have been formed.

Oxford English Dictionary

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