Past
Part of speech: adverb
Definition: in a direction that passes
Part of speech: preposition
Definition: beyond in place, quantity or time
Part of speech: noun
Definition: The period of time that has already happened, in contrast to the present and the future. The past tense.
Part of speech: adjective
Definition: Having already happened; in the past; finished. Relating to the past. (of a period of time) the one before this one
Example sentence: Yesterday's the past, tomorrow's the future, but today is a gift. That's why it's called the present.
Agone
Part of speech: verb
Definition: Past participle of to ago.