[120]. I. PERFECT IN -VĪ.
| amō | amāre | amāvī | amātus | love |
All regular verbs of the First Conjugation follow this model.
| pōtō | pōtāre | pōtāvī | pōtus ([§ 114], 2) | drink |
II. PERFECT IN -UĪ.
| crepō | crepāre | crepuī | crepitūrus | rattle |
| cubō | cubāre | cubuī | cubitūrus | lie down |
| domō | domāre | domuī | domitus | tame |
| fricō | fricāre | fricuī | frictus and fricātus | rub |
| micō | micāre | micuī | —— | glitter |
| dīmicō | dīmicāre | dīmicāvī | dīmicātum (est)[[41]] | fight |
| ex-plicō | explicāre | explicāvī (-uī) | explicātus (-itus) | unfold |
| im-plicō | implicāre | implicāvī (-uī) | implicātus (-itus) | entwine |
| secō | secāre | secuī | sectus | cut |
| sonō | sonāre | sonuī | sonātūrus | sound |
| tonō | tonāre | tonuī | —— | thunder |
| vetō | vetāre | vetuī | vetitus | forbid |
III. PERFECT IN -Ī WITH LENGTHENING OF THE STEM VOWEL.
| juvō | juvāre | jūvī | jūtus | help |
| lavō | lavāre | lāvī | lautus | wash |
IV. PERFECT REDUPLICATED.
| stō | stāre | stetī | stātūrus |