1. passe as frases a segui para interrogativa e negativa :
a) there is childrem play ing ball.
.b) there is a bus on the street.
c) there are three boats on the lake.
d) there is a boy reading under a tree.
e)there is policeman at the gate of the park.
f)there is a statue in the park.
g)there are students going to school.
h)there is a little girl walking with her dog.
i)there is an old man sitting on a bench.
j)there are two birds at the gate of the park.