you should listen to the teacher if you want to learn well?

you should listen to the teacher if you want to learn well?
请问：（1）主语——you
（2）谓语——should listen to（其中：should是“情态动词”,listen to——是“短语动词”
谓语——“情态动词”+“实意动词”构成的 这种分析对吗?
（3）宾语——the teacher
（4）那么“if you want to learn well”这句话在句中做什么成分,其功能又是什么呀?

条件状语从句.
如果你想学习好的话.
条件状语从句：表示条件或要求性质的状语从句
例句：
1）I can lend you the bike on condition that you return it on time我可以把自行车借给你,但条件是你必须限期归还(on condition that you return it on time是条件状语从句)
2）You'll fail if you don't work hard如果你不努力就会失败(if you don't work hard是条件状语从句)
引导词有：if,unless,so(as)long as,on condition that(只要）等
连接词主要有 if,unless,as/so long as,on condition that 等..
if 引导的条件句有真实条件句和非真实条件句两种.非真实条件句已在虚拟语气中阐述.