922. Root verbs have their principal parts as follows:

sum, _am_ esse ---- ----

----, _become_, _get_, _am_ fore fuī ----

For #fuam#, &c., #forem#, &c., #fore#, see 750. #fuī#, &c., serves as

the perfect system of #sum#.

pos-sum, _can_ pos-se ---- ----

----, _can_ ---- potuī ----

#potuī#, &c., serves as the perfect system of #possum#. Of the present

system of #potuī#, only #potēns#, _powerful_, is used, and only as an

adjective.

dō, _give_, _put_ dare dedī datus

For compounds, see 757.

bibō, _drink_ bibere bibī pōtus

So the compounds, with the reduplication preserved in the perfect system

(860).

serō, _sow_ serere sēvī satus

Compounds have #i# for #a# in the perfect participle: as, #cōn-situs#.

sistō, _set_ sistere -stitī, status

rarely stitī

inquam, _quoth I_ ---- inquiī once ----

eō, _go_ īre iī, itum, -itus

very rarely īvī

queō, _can_ quīre quīvī quitus

ne-queō, _can’t_ ne-quīre ne-quīvī ne-quitus

edō, _eat_ ēsse ēdī ēsus

volō, _will_, velle voluī ----

_wish_, _want_

nōlō, _won’t_ nōlle nōluī ----

mālō, _like better_ mālle māluī ----

ferō, _carry_ ferre (tulī) (lātus)

For #tulī#, old #tetulī#, and #lātus#, see 780; for the perfect of

#re-ferō#, 861.

(B.) VERBS IN #-ere#.

(A.) PERFECT STEM WITHOUT A SUFFIX.

923. (1 _a_.) The following verbs in #-ere# have a reduplicated perfect

stem (858), and the perfect participle, when used, in #-tus#:

A Latin Grammar for Schools and Colleges · 第 279 / 808 题