有关非谓语动词when first----to the market,these products enjoyed great success.A introduced B introducing Cintroduce D being introduced我知道答案选A,是被介绍,但我想知道,逗号前那句号是状语从句,为什么要选非谓语
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![有关非谓语动词when first----to the market,these products enjoyed great success.A introduced B introducing Cintroduce D being introduced我知道答案选A,是被介绍,但我想知道,逗号前那句号是状语从句,为什么要选非谓语](/uploads/image/z/5737371-51-1.jpg?t=%E6%9C%89%E5%85%B3%E9%9D%9E%E8%B0%93%E8%AF%AD%E5%8A%A8%E8%AF%8Dwhen+first----to+the+market%2Cthese+products+enjoyed+great+success.A+introduced+B+introducing+Cintroduce+D+being+introduced%E6%88%91%E7%9F%A5%E9%81%93%E7%AD%94%E6%A1%88%E9%80%89A%2C%E6%98%AF%E8%A2%AB%E4%BB%8B%E7%BB%8D%2C%E4%BD%86%E6%88%91%E6%83%B3%E7%9F%A5%E9%81%93%2C%E9%80%97%E5%8F%B7%E5%89%8D%E9%82%A3%E5%8F%A5%E5%8F%B7%E6%98%AF%E7%8A%B6%E8%AF%AD%E4%BB%8E%E5%8F%A5%2C%E4%B8%BA%E4%BB%80%E4%B9%88%E8%A6%81%E9%80%89%E9%9D%9E%E8%B0%93%E8%AF%AD)
有关非谓语动词when first----to the market,these products enjoyed great success.A introduced B introducing Cintroduce D being introduced我知道答案选A,是被介绍,但我想知道,逗号前那句号是状语从句,为什么要选非谓语
有关非谓语动词
when first----to the market,these products enjoyed great success.
A introduced B introducing Cintroduce D being introduced
我知道答案选A,是被介绍,但我想知道,逗号前那句号是状语从句,为什么要选非谓语动词,不是应该选谓语吗?如果要有be introduced可不可以选?
有关非谓语动词when first----to the market,these products enjoyed great success.A introduced B introducing Cintroduce D being introduced我知道答案选A,是被介绍,但我想知道,逗号前那句号是状语从句,为什么要选非谓语
这个从句的完整结构应该是when these products are first introduced to the market,……谓语动词是are.现在这个句子是一个省略句,主语和谓语动词都一并被省略掉了,但仍然保留introduced 及以后的修饰成分.这种省略方式是该种省略句的基本用法.所以应该选A.所以be introduced不可以选.