It is depressing when you can’t find something,but when you do find something,it’s joyful.这句是什么句型,该怎么分析?

问题描述:

It is depressing when you can’t find something,but when you do find something,it’s joyful.这句是什么句型,该怎么分析?

时间状语从句,具体要怎么分析?when you can’t find something这部分属于由when引导的时间状语从句,意思是“当你······的时候·······”,后面的when一样。此外,还有一个让步状语从句“but when you do find something·······”意思是“虽然······但是·······”but when you do find something中的do是表强调吗?是的,强调语气