My tip to improve your typing speed is to... simply practice. I would like to suggest practicing the keys at first rather than just jumping in to the sentences. First let your fingers memorise where every key is. If you need help with that go to (goodtyping.com). After you know where every key is then its just a matter of time before you are typing like a pro. Take it from me I started with only about 13 wpm and now I can type 50 wpm with ease. It all depends on how much you practice and do not get frustrated. Believe me there will be times when you will be so angry that you will want to throw away the keyboard and stop typing. But don't let that frustration and anger get to you. If you can overcome that you will be able to type without any problems.