"have been to Shanghai.,中to shanghai成分是?

问题描述:

"have been to Shanghai.,中to shanghai成分是?
"I have been to Shanghai.,中to shanghai成分是?
讲时态就不用讲了..是现在完成时我知道.have been是句子的谓语部分.
to shanghai .不太清楚.算是什么成分.

倒,你句子拆错了,是have been to是谓语,shanghai是宾语