Verb Endings

165. Every form of the finite verb is made up of two parts:

1. The STEM (see § 24). This is either the root or a modification or development of it.
2. The ENDING, consisting of—
   1. the Signs of Mood and Tense (see § 168 and § 169).
   2. the Personal Ending (see § 163).

Thus in the verb vocā-bā-s (you were calling) the root is VOC, modified into the verb-stem vocā-, which by the addition of the ending -bās becomes the imperfect tense vocābās; and this ending consists of the tense-sign bā- and the personal ending (-s) of the second person singular.

166. The Verb endings, as they are formed by the signs for mood and tense combined with personal endings, are—

For convenience a table of the Noun and Adjective forms of the verb is here added.

167. A long vowel is shortened before the personal endings -m (-r), -t, -nt (-ntur).

ame-t for older amē-t 
habe-t for habē-t 
mone-nt, mone-ntur