The NC State Online Writing Lab and Grammar Hotline has lost its funding. Looks like you're on your own. Before you panic, please review George Orwell's six rules for writing:

Pay particular attention to the last of these. It will keep you out of trouble.

If despite your best efforts to follow these rules, you find yourself inextricably engulfed in a grammatical quagmire, try these links to self-help resources and online writing guides:

You can also look for an answer to your question in the Grammar Hotline Archives ( Nancy H. Margolis, 2002), which stores questions and responses in the following categories:
Remember, too, that individualized writing assistance is available to NC State students in walk-in tutorials offered through Writing and Speaking Tutorial Services.

I'll miss the Grammar Hotline, but I'm not dropping off the face of the earth. Write to me at n.h.margolis@att.net.