Hay que ver lo mucho que ha mejorado este país desde la última vez que estuve aquí.It's incredible how much this country has improved since the last time I was here.
Hay que ver que llamé al fontanero hace dos días y todavía no ha venido.I called the plumber two days ago and he hasn't come yet. Would you believe it?
Yo de ellos, ya habría llamado a un médico. ¡Hay que ver lo tranquilos que son!If I were them, I'd have called a doctor by now. They're incredibly laid-back!