One of these days we're going to get you using it because that's the point.

I'm using the past tense because this no longer works.

"Please don't use them on me, because I lost hope months ago."

Most people like to use them because they can be applied in seconds without any tools.

They always used the positive root because this made sense when solving "real" problems.

But not using magic because you can, that really upsets them.

The word 'average' must be used because the height of the sea changes with the tides.

I'm using 1985 figures because my encyclopedia's a bit long in the tooth.

"And now I can't use it because everything's frozen," she said.

An inability of most users to use the software because 'anyone can pick it up'.