How many buses are there?
there is a bus
How many trains are there?
there is a train
How many boats are there?
there are boats
How many helicopters are there?
there are helicopters
How many lorries are there?
there are a lorry
How many yellow buses are there?
there are buses
How many motorbikes are there?
there are motorbikes
How many lorries are there?
there are lorries
How many boats are there?
there is a boat
How many motorbikes are there?
there is a motorbike
How many trains are there?
there are trains
How many helicopters are there?
there is a helicopter