Question

o que significa there is e there are

Answer 1

There is = Há ( no sentido haver) usado no singular
Ex: There is a ball behind the car
Há uma bola atrás do carro
There are = Há usado no plural
Ex: There are two green houses on this street
Há duas casas verdes nesta rua

Answer 2

There is - usado no singular no sentido de haver.

Exemplo: There is an chair at the garden.

There are - Usado no plural no sentido de haver.

Exemplo: There are two tomatoes at the friedge.