In spoken English,people are likely to use contractions like who's instead of who is. ▣e.g. ▣itis-it's they are-they're ▣you areyou're we will-we'l‖ ▣there is-there's  In spoken English, people are likely to use contractions like who’s instead of who is.  e.g.  it is—it’s they are—they’re  you are—you’re we will—we’ll  there is—there’s