When using the conjunction words, the students who learn in free Chinese lesson should not only pay attention to the relations they express, but also the position of them. That is to say, you should know clearly about the range of the application. Generally speaking, the students who learn in free Chinese lesson may know that the place that the former conjunction words end needs a new conjunction word.

When connecting two or more clauses, if the subjects of the clauses are the same, students who study in China should know the words 如果、因为、虽然… should be placed before the subjects. If not, put in after the subjects. If you see the words like 而且、但是、可是、所以、那么、不然 connect the second clause when you learn in free Chinese lesson, you should know they will be placed before the subjects if there is one. But the words 就、也、才should be put after it. For instance, 除非他同意，不然我不能去 and 只有他同意，我才能去.