ORACIONES CON "THERE IS" THERE ARE " THERE WAS" THERE WERE"

*There is a clock in the house
*There are some apples
*There was a big stadium here
*There were lots of trees in that park
*There is a carton of milk
PREGUNTAS:
*Is there a clock in the house?
*Are there some apples?
*Was there a big stadium here?
*Were there lots of trees in that park?
*Is there a carton of milk?
RESPUESTAS AFIRMATIVAS:
*Yes,there is a clock in the house
*Yes,there are some apples
*Yes,there was a big stadium here
*Yes, there were lots of trees un that park
*Yes, there is a carton milk
RESPUESTAS NEGATIVAS:
*No,there isn`t
*No, there aren`t
*No, there wasn`t
*No, there weren`t
*No, there isn`t