请高手举例说明,分析英语句子成份有些动词带宾语从句时需要在宾语与从句前加it（双宾语）；举例详细说明The new book is about how Shenzhou 20 manned spaceship was sent up into space.这本新书是关于神州20号载人航天飞船是如何升入太空的.分析句子成份；He asked me if I was reading the story The Old Man and the Sea when he was in.他问我他进来的时候我是否正在读《老人与海》.分析句子成份；

请高手举例说明,分析英语句子成份
有些动词带宾语从句时需要在宾语与从句前加it（双宾语）；举例详细说明
The new book is about how Shenzhou 20 manned spaceship was sent up into space.
这本新书是关于神州20号载人航天飞船是如何升入太空的.分析句子成份；
He asked me if I was reading the story The Old Man and the Sea when he was in.
他问我他进来的时候我是否正在读《老人与海》.分析句子成份；