All of a sudden, All of the sudden, All the sudden, or something else that means the same thing?

#Suddenly
#AllOfASudden
#AllOfTheSudden
#AllTheSudden
#Regionalisms
#Idioms
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@Euphoria suddenly I see.
@ajroach42 Are you trying to tell me that you only use "suddenly" and not any of those other expressions?
@Euphoria as I was reading your post, the lyrics "suddenly I see" floated through my head. Now I'm humming a catchy pop tune.

@ajroach42 Thanks for explaining that to me. I'm a bit out of the loop when it comes to pop tunes. Come to think of it I don't listen to much music at all these days, something that would be unbelievable to my younger self.

Any preference on the expressions? I've been noticing more people using them in different ways lately and I'm curious about the reasons, and who uses what.

@Euphoria "all of the sudden" is how I have always said it.