Question

I know nothing about him except that he is from the south 请问这里的about him是介词短语做宾补吗？

I know nothing about him except that he is from the south 请问这里的about him是介词短语做宾补吗？
NOTHING 是主句的宾语，about him 是做补语吗？except 做什么？That 为什么没有去掉？这里面的be from the south 是主谓宾还是主系表？谢谢了

Answer 1

except做条件状语，except是介词，that引导的是介词的宾语从句。后面的that从句是主系表结构。（精锐英语老师为您解答）

追问

about him 是什么