My English is not good but I will help you speak Vietnamese if you want this. contact with me!

NO pain, no gain!;) One of the most difficult things in learning Vietnamese is how to put mark ( up mark, down mark, point mark, wave mark, question mark) on the word correctly. In Vietnamese, One word with variety of mark will make a different meaning. For example: Ma ( no mark ) - Ghost Má ( up mark) - Mother Mã ( wave mark) - Code .... Plz, let me correct your sentence " Tôi muốn học tiếng Việt thật nhanh"