The past tense endings were always identical, and resembled those of strong verbs, but prefixed with a dental infix.
Examples of these are the weak pronouns mi, go etc., the reflexive pronoun się, and the personal past tense endings and conditional endings described under Verbs above.
Preceded by the dental, the subjunctive past tense endings take the form of their present tense endings, changing the inflectional vowel to i in the plural.
The endings (-by, -bym etc.) are detachable clitics, like the past tense personal endings as mentioned above.
Finally, the remaining verbs simply add the past tense endings, which are optional for verbs of the categories described above.
The Panthers have forced this tense ending.
The plural suffix -t combines with each tense suffix to give us plural tense endings, also shown here.
For example, Interlingua adds tense endings to the indicative form of a verb (dona donar), while Esperanto adds them to the stem (don- doni).
A variant of a morpheme; for example, the past tense endings -t, -d and - ed.
The Protoslavic form of a conditional was replaced by the aorist (Old Polish "bych"), which then underwent some changes due to the influence of past tense endings.