Hildegard of Bingen

On the Elements

Latin Grammar: Fourth-Declension Nouns (with adjectives!)

Et ignis est etiam temperamentum terre fructus eius firmando et siccando atque ad maturitatem perducendo. Terra autem obstaculum ignis est, ne modum et mensuram suam transeat. Sed et aer est ventus et adiutorium aquae, sicut adiutorium ignis et retentaculum eius, ita quod retinet fluctuationem illius in recta mensura.Nam si aquam in recta mensura et itinere non teneret,  illa supra modum efflueret et omnia, ad que pertingeret, submergeret.

Fourth-Declension Nouns
The word fructus is an example of a verb in the fourth declension. These are tricky, because they often look like second declension nominative singulars. In this case, fructus is actually an accusative plural.

Provide the requested form of the following second and fourth declension nouns and adjectives (conjugate the adjectives to the nouns), consult a dictionary or grammar if needed, and beware the fourth declension!

1. nominative plural
  fructus & multus
2. genitive plural
  ventus & celer
3. dative singular
  manus & tardus
4. ablative singular
  artus & infirmus

5. ablative plural
  tonus & clarus
6. genitive singular
  metus & serius
7. genitive plural
  cornu & acutus


Make this exercise printable