969. (_c._) With the present stem in #-i{o|e-}# (836).

cupiō, _want_ cupere cupīvī cupītus

Once with a form in #-īre# (791), #cupīret# (Lucr.).

sapiō, _have a smack_ sapere sapīvī ----

Compounds have #i# for #a#: as, #re-sipiō#, &c.