是引导名词性从句、定语从句。
引导同位语从句的that和引导定语从句的that是不同的。前者只起语法作用,在从句中不作任何成分;而后者在定语从句中作主语、宾语或表语。
1、引导目的状语从句。
Bring it nearer that I may see it better。
2、引导结果状语从句。
What have I done that he should be so angry with me?
3、引导原因状语从句。
I am afraid that I will fail in the driving test。