Book 6
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Probus has noted that Aelius Tubero also, in his work dedicated to Gaius Oppius, wrote occecurrit, and he has quoted him as follows: Fr. 2, Huschke; I. p. 367, Bremer. If the general form should present itself (occecurrerit). Probus also observed that Valerius Antias in the twenty-second book of his Histories wrote speponderant, and he quotes his words as follows: Fr. 57, Peter2. Tiberius Gracchus, who had been quaestor to Gaius Mancinus in Spain, and the others who had guaranteed (speponderant) peace.
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Now the explanation of these forms might seem to be this: since the Greeks in one form of the past tense, which they call parakei/menon, or perfect, commonly change the second letter of the verb to e, as gra/fw ge/grafa, poiw= pepoi/hka, lalw= lela/lhka, kratw= kekra/thka, lou/w le/louka, so accordingly mordeo makes memordi, posco peposci, tendo tetendi, tango tetigi, pungo pepugi, curro cecurri, tollo tetuli, and spondeo spepondi. Thus Marcus Tullius Fr. 14, p. 1060, Orelli2. and Gaius Caesar ii. p. 158, Dinter. used mordeo memordi, pungo pepugi, spondeo spepondi.
