What is 'it has' apostrophed?

Answer 1

Yes. Depending upon sentence usage, "it's" is a contraction for the two words "it is" (as in "it's a problem") or "it has" (as in "it's been a long time since I've seen you").

"Its" without an apostrophe stands for the possessive form of the pronoun "it" and is used as an attributive adjective (as in "the book has lost its jacket").

Answer 2

'It has' contracted with an apostrophe becomes 'it's,' which is a common contraction in the English language.

Answer 3

It's