分析句子语法成分1、kevin works as a cleaner in a factory owed by the

为这位同学解答如下：
1、Kevin是主语,works 是谓语,in a factory 是地点状语,“在一家工厂作保洁员工作”,什么工厂呢?后面的owned by the Japanese是定语,确定说是一家日本人所有的工厂.
2、Americans是主语,have long since stopped 是谓语,demanding good education for their children是宾语（ stop doing sth.)
希望这样解释能有助于这位同学解开疑问.欢迎追问.

1、kevin 是主语
works是谓语
as a cleaner是状语
in a factory owed by the Janpanese.是状语
其中a factory 是介词宾语 owed by the Janpanese是定语 修饰 a factory
2、Americans 是主语
have long since stop...