He stood near the window, gazing out, as if not registering her presence.

Then her eyes registered my presence, and started to water.

Both lasted only seconds, gone so quickly he barely had time to register their presence.

When I first arrive at her home, she hardly registers my presence.

There was no sign that the child had noticed them or registered their presence at all.

Lee did not register their presence, but kept working over the standing console.

For an instant he had not yet registered her presence.

In fact, they barely registered her presence on the cathedral steps.

He sat on the edge of the bed, but didn't appear to be registering her presence.

Duncan stopped, seeming to register my presence for the first time since I sat down.