此句中为何这里用动名词?It is a simple dish to prepare,consisting mainly
此句中为何这里用动名词?
It is a simple dish to prepare,consisting mainly of rice and vegetables.
此句中为何用consisting,可不可以这样说It is a simple dish to prepare to consist mainly of rice and vegetables.把动名词改成不定式?
望告知原因,还有这个句子的结构我也不太清楚,It is a simple dish to prepare 应该是主系表结构吧,be动词后动词不定式作表语,那后面的consisting mainly of rice and vegetables在句中做什么成分呢?