网友应该首先确认这个句子的正确性。例如The durability of subgrade soils induced by climatic changes in seasonally frozen areas are ...作主语的名词词组的中心词为durability,谓语动词用are, 这显然是错误的。对错误的句子分析是没有意义的。请你给出原文链接,或准确给出前一句及后一句,标点符号要准确。
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but后分句告诉你当时我自己有很多事要做,提示实际我没有帮助他。因此前一分句的意思为本该在过去做某事而未实际未做。用should have done结构。
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going to get my pile为现在分词短语作定语,修饰the sharpest wits. 等于who are going to get my pile. pile= a large amount of money.
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你的问题很简单,on the farm 为特指,on a farm 为泛指。She grew up on a dairy farm. 《韦氏高阶》例句Joe had worked on the farm all his life. 《朗文》例句► Say on a farm not ‘in a farm’. 《朗文》关于farm搭配介词的说明。
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句子可以简化为:They are supposed to be using the machine to do their work.They should use the machine to do their work.不定式作目的状语,不定式的逻辑主语为句子的主语。不定式作宾补,不定式的逻辑主语为宾补。本句中不定式的逻辑主语显然是句子的主语。所以不定式为目的状语。句子等于:They should do th...
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The prices of the flats in the downtown are several times as high as in the countryside.很多词典不接受downtown的名词用法,认为downtown 为副词或形容词。副词downtown作动词的状语,或名词的后置定语。形容词作名词的前置定语。《韦氏高阶》虽然有downtown名词的词条和例句,如:I live close to downtown.The...
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