By now, he should have arrived at the airport.

By virtue of his hard work, he was promoted to a higher position.

This is by far the best movie I've ever seen.

We will have finished dinner by the time he comes back.

He became more confident by degrees.

As time goes by, life begins to feel very short.

He goes by the name of John.

He managed to scrape by on his meager salary.

I ran into my old friend by chance at the grocery store.

By comparison, she is much taller than her sister.