The Best Way to Regard

We're doing a lot of "regarding" in our writing these days, but are we using "regards" and "regard" correctly? Test your knowledge. Which use of "regards" or "regard" is correct?

1. In regards to that, go ahead.

2. In regard to that, go ahead.

3. Both correct.

4. Both incorrect.

The correct answer is the second option, "in regard to." The plural "regards" is acceptable only in the phrase "as regards."