请问大家As was usual,he came very early this morning.这句话中的as做啥成分,如何翻译啊?

问题描述:

请问大家As was usual,he came very early this morning.这句话中的as做啥成分,如何翻译啊?

不用翻译,是个虚词
表示后面的整个句子即
That he came very early this morning was usual