Because you can't tell at that particular moment what the problem is.

It seemed like more of an effort than I was able to make at that particular moment.

"And the one I have at any particular moment is always my favorite."

Of that, if nothing else at this particular moment in time, she was certain.

Not all events are limited to a particular moment in time.

It told me a very great deal more than I wanted to think about at this particular moment.

To understand them better is to learn something about America at a particular moment in its history.

At this particular moment he did not need to see.

The result is "a picture of the country at a particular moment in history."

"And why should I have been dead at that particular moment?"