All of a sudden the sky became overcast. ✬

The train was brought to a sudden halt. ✬

All of a sudden, my mother began to sing. ✬

I felt a sudden pain in my side. ✬

The accident happened all of a sudden. ✬

There was a sudden change in the weather. ✬

All of a sudden, the clerk lost his temper. ✬

All of a sudden, a fire broke out in the department store. ✬

All of a sudden, a fire broke out in the movie theater. ✬

All of a sudden, it became cloudy. ✬