citus, datus, hurried, given
itum, ratus, gone, thinking
-rutus, satus, fallen, planted
situs, status, lying, set
litus, quitus, besmeared, been able
[919.] As citus, so always percitus and incitus (once incītus, doubtful); usually concitus, rarely concītus; excitus and excītus equally common; always accītus. ambītus always has long ī ([763]). āgnitus, recognized, cōgnitus, known, and the adjectives inclutus or inclitus, of high renown, and putus, clean, have a short root vowel. For dēfrūtum, dēfrutum, see [134], 1.
[LIST OF VERBS]
ARRANGED ACCORDING TO THE PRINCIPAL PARTS.
[920.] I. The principal parts of root verbs and of verbs in -ere are formed in a variety of ways and are best learned separately for every verb ([922-986]).
[921.] II. The principal parts of verbs in -āre, -ēre, and -īre, are usually formed as follows:
| laudō, praise | laudāre | laudāvī | laudātus |
| moneō, advise | monēre | monuī | monitus |
| audiō, hear | audīre | audīvī | audītus |