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作者：宫志
1. It may be necessary to put up a notice saying\"Keep off\". 也许有必要张贴一个通知,标明\"禁止践踏\"。
1) It在此句中是形式主语,真正的主语是不定式短语to put up a notice saying \"Keep off\"。当动词不定式、动名词或从句作主语时,为了保持句子平衡,通常把它们放在谓语动词之后,而用It作句子的形式主语。例如:
It is not a good habit to stay up late. 晚睡不是好习惯。
It is a pity that you didn\'t read the book.你没读这本书真遗憾。
[原题再现]
① ________ is a fact that English is being accepted as an international language.
A. There B. This C. That D. It
② In fact ________ is a hard job for the police to keep order in an important football match.
A. this B. that C. there D. it
答案分别是D, D。
2) saying \"Keep off\"是现在分词短语作后置定语,修饰名词notice。现在分词短语作定语表示其所修饰的名词或代词主动发出的动作。
[原题再现]
The picture ________ on the wall is painted by my nephew.
A. having hung B. hanging C. hangs D. being hung
答案是B。
2. The country had been at war for many years and the temple was deserted and falling to pieces. 这个国家已经经历了多年的战乱,寺庙荒芜,房屋倒塌。
1) be at war是固定词组(中间不加冠词),意思是\"处于战争 / 交战状态\"。例如:
The two countries were at war then. 那个时候这两个国家正处于交战状态。 2) deserted是过去分词式的形容词,在句子中作表语,意思是\"荒废了的;被遗弃了的\"。及物动词的过去分词常可用作表语,表示主语所处的状态或表示主语对某事的感觉。
[原题再现]
①-I\'m very with my own cooking. It looks nice and smells delicious.
-Mm, it does have a ________ smell. [1] [2] [3] 下一页
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