Native English speakers, you know that this sentence is wrong but can you tell me why it's?

[Anpu23]

Yet this sentence is right and you know it is.

[Lynx122]

You can only use it's when something comes after it. Like "it's cold" But when it's at the end of a sentence it doesn't work because then there's no real ending. If you'd try and say this sentence it would be very weird.

[LiamJHayden]

The "is" loses its emphasis, which it would otherwise have and which is required in that construction.

[LazerBean]

"It's" is possessive.

[Agape93]

It is

[Anpu23]

Correct "it is" is correct. But the argument is that "it's" is a contraction of it is. So why is one correct but the other is not.

[Agape93]

No idea lol just looks wrong to me

[Coden7]

It’s incomplete, as it starts with a continuation.