There is / There are

 There is ... (singular) /  There are ... (plural)

Affirmative:  Contractions: (there's)  / (there're)

There is a library in front of the church  

there're more than ten libraries in Melbourne  

There's a McDonald's in front of the park

There are two McDonald's in Swanston St.

There's some coffee in the kitchen

There're some boxes of milk in the fridge 

Negative:  contractions: (there isn't) (there aren't)

There is not any food on the table

There are not any shops on the street

There isn't any drug store open at midday

There aren't many chocolates left

Questions: 

is there any problem?

are there any shops in Lygon st?

Is there any food in the fridge?

are there any people on the bus?

How many countries are there in the world?

How many people are there living in Japan?