1

Are the following questions grammatically correct?

  • When can we use CSS3 to round corners and when can't we?
  • When can we use CSS3 to round corners and when we can't?
2

Of the two sentences, only the first is grammatically correct, "...and when can't we." The second form would be correct in a sentence like -

I'd like to know when we can use CSS3 to round corners and when we can't

In this example, note the usage of "when we can" as opposed to "when can we."

You must log in to answer this question.

Not the answer you're looking for? Browse other questions tagged .