Sagot :
Bonjour, je ne sais pas quel temps tu es en train d'étudier, mais je suppose qu'il s'agit sûrement du simple past êt du past continuous?? Si c'est la cas :
a) He was smoking a pipe when Inspector Lestrade knocked at his door.
b) Dr Watson was analysing the crime scene when the police took the body away from the crime scene.
c) I was thinking about the case this morning and I realised that I was wrong from the start.
d) Sherlock and Watson were relaxing while Inspector Lestrade tried to solve a very difficult case.
Voilà j'espère que ça t'aura aidé
a) He was smoking a pipe when Inspector Lestrade knocked at his door.
b) Dr Watson was analysing the crime scene when the police took the body away from the crime scene.
c) I was thinking about the case this morning and I realised that I was wrong from the start.
d) Sherlock and Watson were relaxing while Inspector Lestrade tried to solve a very difficult case.
Voilà j'espère que ça t'aura aidé