Bonjour !
1)
a- More than 500 years ago
b- Since 2002
c- For 45 years
d- Since the defeat of the Saxons
e- For centuries
2)
- To become king, Arthur had to do .......................
- Really ? What did he have to do ?
- He had to draw a sword out of a stone. But he didn't have to kill Merlin !
3)
a) I was reading a magazine when I heard a terrible crash.
b- What were you doing when the fire broke out ?
c- She didn't hear him coming. She was watching TV.
d- Guinevere was kissing Lancelot when Arthur arrived.
e- While Mordred and Arthur were fighting it started to snow.
Be + ing = quand une action était en train de se passer
preterit = quand c'est une action soudaine
Bonne fin d'année et bonne année 2018 :)