They heard a gun go off in the distance. ✬

Don't go off without saying good-by. ✬

My alarm clock didn't go off this morning. ✬

We heard the bomb go off. ✬

I overslept because my alarm didn't go off. ✬

Yesterday the alarm clock didn't go off and Kurt didn't wake up. ✬

Tom set the alarm clock to go off 6:00 a.m. ✬

I went on sleeping because the alarm didn't go off. ✬

My alarm didn't go off. ✬

I just heard an alarm go off. ✬