求教back and forth his head swiveled,desire maxing,resolution waning.语法back and forth his head swiveled,desire maxing,resolution waning.他摇头晃脑,欲望在膨胀,意志在萎缩.这一句中的 maxing 和waning 是动名词还现在分词

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求教backandforthhisheadswiveled,desiremaxing,resolutionwaning.语法backandforthhisheadswiveled,desiremaxi

求教back and forth his head swiveled,desire maxing,resolution waning.语法back and forth his head swiveled,desire maxing,resolution waning.他摇头晃脑,欲望在膨胀,意志在萎缩.这一句中的 maxing 和waning 是动名词还现在分词
求教back and forth his head swiveled,desire maxing,resolution waning.语法
back and forth his head swiveled,desire maxing,resolution waning.他摇头晃脑,欲望在膨胀,意志在萎缩.这一句中的 maxing 和waning 是动名词还现在分词?还是其他?做什么成分呢?

求教back and forth his head swiveled,desire maxing,resolution waning.语法back and forth his head swiveled,desire maxing,resolution waning.他摇头晃脑,欲望在膨胀,意志在萎缩.这一句中的 maxing 和waning 是动名词还现在分词
此处,-ing形式在句中作表语,省略了is,那么它可能是现在分词,也可能是动名词.
区别方法是:
-动名词作定语时,说明被修饰的名词的用途(可以用"use for +动名词"这个结构代替),它和所修饰的名词在逻辑上没有主谓关系;
-现在分词作定语时,表示它所修饰的名词的行为 ,和它所修饰的名词在逻辑上有主谓关系(可以扩展为定语从句).
E.g.:a sleeping car=a car used for sleeping 一节卧车车厢 (sleeping此处为动名词)
a sleeping child=a child who is sleeping 一个睡着的孩子 (sleeping此处为现在分词 )
相信看到这里,你就明白此处的maxing和waning是现在分词啦~