There is / are: pronunciation

Listen to these sentences. Notice the weak pronunciation of there's and there are when the sentence is positive. This happens because these words have no stress. The stress is usually on the noun or adjective that follows. In the negative, the sentence stress is different because isn't and aren't are always stressed.

 There’s one. There isn’t one.
 There’s a balcony. There isn’t a balcony.
 There’s a washbasin. There isn’t a washbasin.
 There’s a wardrobe. There isn’t a wardrobe.
 There’s a rug. There isn’t a rug.
 There are three armchairs. There aren’t three armchairs.
 There are two cupboards. There aren’t two cupboards.
 There are some plants. There aren’t any plants.