Sentence examples for once then. from inspiring English sources

Once, then twice.

She fell once, then again.

Price ignored him once, then twice.

They grappled once, then a second time.

He used it once, then moved on.

But just once, then enough.

Seen perfectly once, then never again.

People would come once, then never again.

He fired me once, then rehired me.

He would fire just once, then stay silent for hours.

I remember marching, once, then twice, and again and again.