Teachers should understand that each student has a ทักาะทาง language. Therefore, the time to teach teachers must teach, explain, and example of each หลัจากนั้น should check again whether the students understood.
Teachers should understand that each student has a Tuscan island the language is different. Therefore, the time teachers must be taught to clarify details. And examples of each topic. Then maybe you should double-check that they understand.
The teacher should understand that each student has a cushion of language are not equal. So its time to teach teacher must teach thoroughly explain it clearly. And to instantiate each topic. After should check again that the students understand.