LATIN DICTIONARYLexicon Latīnum
Allen & Greenough · Part First — Words and Forms › The Four Conjugations

§172. The Principal Parts

The Principal Parts of a verb, showing the three stems which determine its conjugation throughout, are—

  • The Present Indicative (as, amō), showing the Present Stem.
  • The Present Infinitive (as, amā-re), showing the Present Stem.
  • The Perfect Indicative (as, amāv-ī), showing the Perfect Stem.
  • The neuter of the Perfect Participle (as, amāt-um), or, if that form is not in use, the Future Active Participle ( amāt-ūrus), showing the Supine Stem.

J. H. Allen and J. B. Greenough, New Latin Grammar (Boston: Ginn, 1903). Text provided under a CC BY-SA license by Perseus Digital Library, http://www.perseus.tufts.edu, with funding from the National Endowment for the Humanities.