Question

Someone rang the alarm as soon as the burglar left the building.

No sooner

Answer 1

_{Someone rang the alarm as soon as the burglars left the building.}

_{-> No sooner had someone rung the alarm than the burglars left the building.}

Answer 2

 No sooner had the burglars left the building than someone rang the alarm

Answer 3

No sooner had someone rung the alarm than the burglars left the building.