Examples
wǒ我jué de觉得，yǒu xiē有些kè chéng课程yí dìng一定yǒu rén有人xué学。
我觉得，有些课程一定有人学。
I think some courses are bound to have people taking them.
所以你也打算选这门课程啊！
So you're planning to follow this course as well!
当我到学校的时候，课程已经结束了。
By the time I arrived at the school, the class had already finished.