As a side effect of this process the land began to sink.

The ship started taking water and began to sink by the head.

Even for me, the implications were just beginning to sink in.

"Everything that has changed for her is just beginning to sink in."

The reality of it was just beginning to sink in.

I had no answer, and began to sink lower into the chair.

As I said it, my heart began to sink again.

Her words were beginning to sink in, which raised more questions.

What I'd done was just beginning to sink in then.

The sun was beginning to sink low in the sky.