Il6 THE FOURTH OR ^-DECLENSION
LESSON XLVI
THE FOURTH OR Ū-DECLENSI0N
259. Nouns of the fourth declension are either masculine or neuter.
260. Masculine nouns end in -us, neuters in -ū. The genitive ends in -ūs.
a. Feminine by exception are domus, house; manus, hand; and a few others.
PARADIGMS
| adventus, m., arrival | cornū, n., horn | |||
| Stems | adventu- | cornu- | ||
| Bases | advent- | corn- | ||
| Singular | terminations | |||
|---|---|---|---|---|
| masc. | neut. | |||
| Nom. | adventus | cornū | -us | -ū |
| Gen. | adventūs | cornūs | -ūs | -ūs |
| Dat. | adventuī (ū) | cornū | -uī (ū) | -ū |
| Acc. | adventum | cornū | -um | -ū |
| Abl. | adventū | cornū | -ū | -ū |
| Plural | ||||
| Nom. | adventūs | cornua | -ūs | -ua |
| Gen. | adventuum | cornuum | -uum | -uum |
| Dat. | adventibus | cornibus | -ibus | -ibus |
| Acc. | adventūs | cornua | -ūs | -ua |
| Abl. | adventibus | cornibus | -ibus | -ibus |
- Observe that the base is found, as in other declensions, by dropping the ending of the genitive singular.
- lacus, lake, has the ending -ubus in the dative and ablative plural; portus, harbor, has either -ubus or -ibus.
- cornū is the only neuter that is in common use.
261.
EXERCISES
First learn the special vocabulary, p. 293.
I.
- Ante adventum Caesaris vēlōcēs hostium equitēs ācrem impetum in castra fēcērunt.
- Continēre exercitum ā proeliō nōn facile erat.
- Post adventum suum Caesar iussit legiōnēs ex castrīs
