The rain has been pulling down for a whole day.

问题描述:

The rain has been pulling down for a whole day.
怎么分析句子成分

主语:the rain,谓语:has been pulling down,状语:for a whole day 此句的语态为:现在完成进行时,结构为 have(has)been +doing ,表示动作已完成但还有可能延续到将来,如:I have been collecting toys for a ye...