Past vs. Passed

​Past can be used as a noun, an adjective, a preposition, and an adverb.
Example as a noun:
- Star Wars takes place a long, long, time ago, in the distant past.
Example as an adjective:
- I miss working with some people and sometimes think of past times.
Example as a preposition:
- The library is just past the memorial park.
Example as an adverb:
- I saw the father running past our house, chasing after his young child.

Passed is the past tense of the verb pass.
Example: I thought I had failed, but I received the result today and I passed the test!

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