小学英语语法知识点：目的状语从句

　　表示目的状语的从句可以由that， so that， in order that， lest， for fear that， in case等词引导，例如：

　　You must speak louder so that /in order that you can be heard by all.

　　He wrote the name down for fear that(lest) he should forget it.

　　Better take more clothes in case the weather is cold.