Dear Tom,
I'm glad to tell you how to study Chinese.First,you should listen more.Watch Chinese TV programmes,and try to understand them.Even though you can't follow them all the times.Second,speak more.You can make some Chinese friends,and speak Chinese to them.Don't be afraid to make mistakes.They will help you correct them.Third,read more.You had betterread some simple Chinese books.Finally,write more.Why not write to your Chinese friends in Chinese?It's a great help on yourChinese study.I hopethat your Chinese will be better soon.
Yours,
XX