confused words: past / passed

confused words:  past / passed

Past  has three different meanings.
1. Past can be a noun, meaning "what has already happened."
   Example       

2.  Past can be an adjective, meaning "gone by" or "ended."
   Examples
        
        

3. Past can be a preposition, meaning "beyond" or "by."
   Example
             
Review:  Past can be an noun, adjective, or preposition. 
                 Past is never a verb.

Passed is always a verb.
Passed is formed by adding -ed to the present tense verb, pass.
It indicates the past tense of  pass.
   Example of passed as the verb in a sentence
        
   Example of passed preceded by an auxiliary verb
        
 
Remember:     Past is never a verb.
                                    BUT
                           Passed is always a verb.