"Hey" (like "hello" or "say") is an interjection or exclamation. It has no sentence structure but its context can sometimes be implied by its tone.
Example : Startled by the dropped oar, the boatman said "Hey!" and looked up at me.
Hey there, can you tell me how to get to First Street.
The interjection is hey.
like you can say example: hey do you think i wrote a good sentence?
Hey have you seen the hangover movies
hey girl what are you doing
Hey there, can you tell me how to get to First Street.
Hey
Hey
The interjection is hey.
like you can say example: hey do you think i wrote a good sentence?
Hey Dude!
Hey, do you know what omnidirectional means?
Hey Zenith! Awesome! LOLZ
hey I like this it is apoplectic!
hey, are you mavericking already?
hey hey hey i love you hey hey hey i love you hey hey hey baby hey hey hey baby ha ha ha lol ha ha ha lol ha ha ha blah blah blah ha ha ha blah blah blah
um hey