Most Helpful Girl
Most girls do. To be honest how a girl shows nervousness varies. Your best bet is to see a significant change of behavior in your presence. The girl who talks a lot is suddenly quiet and vice versa. Common signs of nervousness is sudden clumsiness, becoming slightly frantic, talking fast, inability to maintain eye contact /too much etc. Her nervousness may also come with signs of interest (hair twirling, her complete attention, everything you say is hilarious etc.).
Although, I personally don't get nervous before a first date or any other dates. How good looking he is or what he chosen for us to do doesn't set me off either. It's only when I begin to like a guy that nerves or rather 'apprehension' kicks in. I'm backwards lol1