句子里为什么用helping?

来源：学生作业帮编辑：大师作文网作业帮分类：英语作业时间：2024/11/17 00:08:50

句子里为什么用helping?
These events included the many trips he went on the book Wonders of the World he read many times during this period,and helping his brother in his chemistry lab.

你好这位朋友,这句话的主语是these events,主要动词是included,这个动词“包括”后面跟的必须是名词或者是ing的动名词.
句子中,included的东西有两样：
1 - many trips.从he went on开始到逗号都是对这些trips作补充说明的.
2 - helping his brother.意思是说,these events也包括说这句话的人帮助自己兄弟这件事情.
所以,trips和helping都是included包括的东西.在这里,1直接用的是名词,2则是用了ing的动名词.

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