Pour l’exercice 2:
Isaac Newton was reading under a tree when an apple fell on his head.
Archimèdes was having a bath when he shouted "Eurêka".
Christopher Colombus was looking for India when he found America.
Benjamin Franklin was flying a kite in à storm when lightning suddenly hit it.
Exercice 3:
a) I was reading an exciting story when Mom asked me to set the table.
b) I was playing with the dog in the park when my mobile rang.
c) I was painting the garage door when my grandmother sent me to the supermarket.
d) I was brushing my teeth when my little sister jumped on me.
Voilà!!