's /s after p, t, k, f, or θ; əz after s, z, ʃ, ʒ, tʃ, or ʤ; z elsewhere/ verb
— used as a contraction of is, was, has, and does ▪ She's here. [=she is here] ▪ When's [=when was] the last time you ate? ▪ He's [=he has] seen them already. ▪ What's he want? [=what does he want?]
