it's=itis

　　this's=thisis

　　that's=thatis

　　what's=whatis

　　where's=whereis

　　can't=cannot

　　here's=hereis

　　they're=theyare

　　these're=theseare

　　who's=whois

　　aren't=arenot

　　isn't=isnot

　　you're=youare

　　I'm=Iam

　　he's=heis

　　we're=weare

　　she's=sheis

　　there's=thereis

　　haven't=havenot

　　hasn't=hasnot

　　let's=letus

　　don't=donot

　　doesn't=doesnot

　　those're=thoseare

　　won't=willnot

　　how's=howis

　　we've=wehave

　　she's=shehas

　　he's=hehas

　　I've=Ihave

　　he's=hehas

　　I've=Ihave