I's contraction 3determiner 1 contraction3 •(dialect, nonstandard) Contraction of I + is.I's going now. •(nonstandard) Contraction of I + was.I's going to the store yesterday. •(dialect, nonstandard) Contraction of I + has.I's got to go. determiner1 •(nonstandard) Synonym of my.This is my husband and I's favorite place to sit.