Transforme as frases para as formas negativas e interrogativas, URGENTE!!!

a) there were bikes on the street.
b) there was a bus in the bus stacion.
c) there was a motorcycli in the garage.
d) there is a child playing outside.
e) there are five bikes riding on the street.
f) there were forty six students in the gym

POR FAVOR MI AJUDEM!!​