You can say e.g. "How much time has passed since you last ate a bar of chocolate?"
But this would be long and not the most common way of speaking. This is much more common:
"How long has it been since you last ate a bar of chocolate?"
30 août 2015
1
2
Vous n'avez pas encore trouvé vos réponses ?
Écrivez vos questions et profitez de l'aide des locuteurs natifs !