There is. It is
Put in the correct form of it is or there is:
It was very cold yesterday.
..... somebody in the room now.
There is somebody in the room now.
..... important to know the rules of grammar?
..... a long way from your house to the station?
..... a pity you weren`t there.
..... some ice-cream in the refrigerator.
..... rather strange that he wasn`t invited.

Is it important to know the rules of grammar?Is there a long way from your house to the station?It is a pity you weren`t there.There is some ice-cream in the refrigerator.It is rather strange that he wasn`t invited.