1.¿El reloj está debajo de mi escritorio?
2.Hay una puerta.
3.Es una mesa
4.Donde estan los carteles
esta means is, estan means is it so.
Hope I helped
De, 4. fjfjfjfjjffjfjfjfjgjfjfjfjfjfjfjfjfjfjfjf
Translation : "I never drink the drinks."
Conjugation : "Yo nunca bebi los refrescos" (accent the "i")