The alarm went off at five-thirty. - Hälytys laukesi 5:30.
The alarm went off at five-thirty.
Hälytys laukesi 5:30.
Tom has just installed an alarm system in his house. - Tom on juuri asentanut hälytysjärjestelmän taloonsa.
Tom has just installed an alarm system in his house.
Tom on juuri asentanut hälytysjärjestelmän taloonsa.