英语语法成分分析when they too old to take care of themselves,the elders become burdens to be kicked around by their sons and daughters like a football.这句话的主句,around by their sons and daugthers作什么成分.like a football作什么成分.
英语语法成分分析
when they too old to take care of themselves,the elders become burdens to be kicked around by their sons and daughters like a football.
这句话的主句,around by their sons and daugthers作什么成分.like a football作什么成分.
当他们老得不能照顾自己，老人们就成了负担，然后像足球一样被他们的儿女踢开。
around by their sons and daugthers从被动语态的角度来看，by后的成分是主动语态的主语。变成被动语态后成了介词短语，，， 被.（他们的儿女）踢开，做状语。
like a football是介词短语作方式状语
around by their sons and daugthers从被动语态的角度来看，by后的成分是主动语态的主语。变成被动语态后成了介词短语。没有必要去讲究他作什么成分了。 like a football是个状语，意思是说：老人们像足球一样被他们的儿女踢开。
the elders（主语） become（系动词） burdens （表语）to be kicked around by their sons and daughters like a football（整个是不定式短语作后置定语,修饰表语 burdens
不定式短语分析：
to be kicked around(around 在这里是副词作状语修饰不定式to be kicked) by their sons and daughters （状语,by 引出动作的执行者）like a football（介词短语作方式状语）
around。。。状语
like。。。状语