Sindarin Grammar P39: Past

The Sindarin past tense seems to function similarly to the English past tense, but its formation is more complicated and we have relatively few examples to work from. The Sindarin past tense seems to be marked by a variety of morphological features, not all of which apply in every case:

Sindarin Grammar P35: Verb Classes

Sindarin (and it’s conceptual precursors) have two major classes of verbs: basic verbs (based on an unadorned primitive verbal root) and derived verbs (produced with some kind of verbal suffix). In the literature, these two classes are sometimes called i-stem verbs and a-stem verbs after their present tense forms, which frequently have i or a respectively. For example, this terminology appears in David Salo’s book, Gateway to Sindarin (GS/111), though I am not certain he first coined these terms.