I think you should learn the grammar structure of Chinese first,then you could know what is the sentence formed.

wow, this is a hard question to answer! I think Ethan's answer ia right, "you should learn the grammar structure of Chinese first", like we chinese study english, i think this is not very diffcult, but it is very different from english grammar structure, eg: i want to make friend with u! in chinese, it is 我想和你成为交朋友 . (i , want to ,with u ,make friend------of course, this is a wrong sentence. just to explain the question). The object(you) must be put in front.
Maybe my answer is not clearly, and hope not to mislead u!

sorry it is 我想和你成为朋友！not have 交。typed a wrong word!

I think it is the same to English sentences.

First, one sentence must have a subject,like I,he,she,it,etc.

Second, a verb or v.i , called predicate .

Third, an object.

This is the basic construction of a sentence.

Of course,the first thing is to learn the grammar ,good luck to you