as引导的非限定性定语从句和as引导的状语从句的区别

As I know是非限定性定语从句,“正如我知道的一样”。As代there is no such car in the neighborhood这句话的意思。在非限定性定语从句中作 know
的宾语。As引导状语从句时只能作状语（时间状语，原因状语，让步状语，方式
状语）As引导非限定性定语从句时，作主语，宾语。
He married Lucy,as was expected.(as代He married Lucy作was expected的
主语）

As I know,there is no such car in the neighborhood.
As I know状语从句表条件