Verb conjugation: past

The past tense is — as the name implies — broadly equivalent to the English past tense, and specifies an action which was taken in the past. For example:

わたしはりんごをべた。
I ate an apple.

Conjugation table
KindPlainConjugated
1-dan
5-dan, すころころした
5-dan, ぶんだ
5-dan, ぐおよおよいだ
5-dan, くいた
5-dan, むんだ
5-dan, ぬんだ
5-dan, るはしはしった
5-dan, つった
5-dan, う使つか使つかった
irregularった
irregular
irregular
する
した
Examples
I thought you wouldn't come.
I knew you would come.
I've never seen that.