 
 
 
 
| o | puer, M., boy | ager, M., field | vir, M., man | |
| o SINGULAR | CASE-ENDINGS | |||
| o NOM. | puer | ager | vir | - | 
| o GEN. | puerí | agrí | virí | -í | 
| o DAT. | pueró | agró | viró | -ó | 
| o ACC. | puerum | agrum | virum | -um | 
| o ABL. | pueró | agró | viró | -ó | 
| o PLURAL | puerí | agrí | virí | -í | 
| o GEN. | puerórum | agrórum | virórum | -órum | 
| o DAT. | puerís | agrís | virís | -ís | 
| o ACC. | puerós | agrós | virós | -ós | 
| o ABL. | puerís | agrís | virís | -ís | 
NOTE: When e belongs to the stem, as in puer, it is retained throughout; otherwise it appears only in the nominative and vocative singular, as in ager.
 
 
 
