各位老师,我这里有3个问题不是很懂。句子来自于雅思阅读剑桥4,Test3 Passage 3 Obtaining Linguistic Data
原文:
Many factors must be considered when selecting informants---whether one is working with single speakers(a common situation when languages have not been described before), two people interacting, small groups or large scale samples.
Question:
①这里的single speakers 这里为什么用的是复数形式?
②when selecting informants 的省略,不应该是这里的主语和前面的主语一致时,才会出现省略吗?可前面的主语是many factors, 从句的主语应该是we这类的词
③whether one is working with.....,two people interacting, small groups or large scale samples
黑体的部分,是不是省略调了 (it is) two people interacting, small groups or.....?
先谢谢各位老师了!
-whether one is working with single speakers, two people interacting, small groups or large scale samples. 这里是working with A, B, C or D 四项并列。single speakers指单一说话者,即此人提供的语言素材为一个人描述或讲述事情时的素材,需要不止一个这样的人,所以用复数。
Many factors must be considered when selecting informants ... 注意主句谓语为被动语态,换成主动语态则为,One must consider many factors when (he is) selecting informants...你现在可以看出when从句省略的主语(和be)与句子主语是同一个人。然后这个句子改为被动语态,就是你的句子。由于读者可以很容易判断出when从句省略的主语就是被动语态动词的施事者,不会误解,所以这种句子是可以被接受的。
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