Past refers to time or events that have already happened, while passed is the past tense of the verb pass and is used to indicate completed actions or events. For example, “She finally passed the driving test, leaving all her doubts in the past.”

“Passed” is the past participle of the verb “to pass” and refers to moving past something or someone, succeeding in an exam or test, or approving a proposal or law. On the other hand, “past” is a noun, adjective, preposition, or adverb that refers to a time before the present, or something that has already happened.

Passed is the past tense and past participle of the verb pass. Past is (1) a noun meaning the time before the present, and (2) an adjective meaning completed, finished, no longer in existence, or in the past. But the words are occasionally confused, especially where past is an adjective.

The word past can be used as an adjective, a preposition, a noun, or an adverb. The word passed is the past tense of the verb pass. Both words have many uses. When past is used as an adjective it refers to a time gone by or something from, done, or used in an earlier time.