New course are being prepared ...

the very beginning，i just wanna make a simple tutorial。
but then preparing it，more and more information needs to be added in。
so even keep a concise style，this course will be like a little book。

that is a really a time-consuming work。。。

but after all，i want to make this course presented to the public，to show a easy way to master chinese。

what i need for preparing this course：
1 your suggestions （what is difficult for you ？what you wanna to know？...）
2 help me to correct my english-grammar-mistakes in my course。
3 ...