<p>Agree with Quant. It is just as easy to use the correct phrasing as it is to slip into common errors. For casual talk, writing on a forum, etc, we all have times when we get sloppy. But, for anything formal…show you know your stuff.<br>
While we’re at it, use plural verbs with plural nouns: "There * are * two reasons why I hope to be accepted. Not, “There is…”</p>