a.) a boy
was cycling when he
hit the kerb and
fell from his bike.
b.) The tourist were walking on the street when it started to rain.
c.) The girl was sleeping when she heard a loud noise.
d.) He was texting on his phone when he dropped it.
e.) They were walking through the forest, when she got injured.
f.) The diver was swimming underwater when he saw a tortoise. (giant turtle)