plane. / a / It / is
It is a plane.
It is plane.
It / bike. / is / a
It is bike. a
It is a bike.
is / It / bus. / a
It is a bus.
is It a bus.
a / is / It / car.
It a car.
It is a car.
It / a / train. / is
is It a train.
It is a train.