有人敲门,你问:Who is it? 这个it指代什么呢?你想过没有?Who is it that is knocking at the door? 这个it是强调句型it,that分句省略(语境明确了)。It‘s me. = It's me that is knocking at the door. 你的句子与此同理。你找前文,前文一定提及某人做某事,或者某个人过来了等。It was none other than Mary.=...
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I plan to read the book.plan为及物动词作谓语动词,to read the book为不定式短语作宾语。你可以说,I plan to be a teacher. 如果你以前的计划未能实现,你还可以说:I planned to have come last week, but I was suddenly ill. 由于通常plan后接的不定式都是还没有发生的事件,所以不定式通常用一般体to do形式。你提...
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To think+that从句(that可省略)为习语,用来表示对某事的发生感到惊讶、不可思议。词典释义:1 It is really shocking or surprising that (something is the case).2 used to show that you are surprised or shocked ...
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1 现在分词作定语,分词的逻辑主语为被修饰名词。分词作状语,分词的逻辑主语为句子的主语。I made a video asking you to make a video。asking的逻辑主语是 I,不是video. 所以,这是分词作伴随状语,而不是定语。2 the point= the purpose. 这个句子是主系表结构,不是be to do表示将来。be to do结构中,句子主语必须是...
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hour: [countable, usually singular] a period of about an hour, used for a particular purpose.用于某项特定活动的大约1小时左右的时间。如:I use the Internet at work, during my lunch hour.hours [plural]: a fixed period of time during which people work, an office is open, etc.人们工...
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这是it is...that强调句型的过去式形式。去掉it is...that原句依然结构完成。可以看出是对句子主语进行强调。not speed前似应有but。Quality (but) not speed was important.
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当一个名词既可以用定语从句修饰,也可以用分词短语修饰时,二个定语的意义是一样的,差别在语体上。一般说来分词修饰比较简洁,逻辑关系严谨,通常以书面使用更多见,因为书面语的读者有时间思考其中的逻辑关系。定语从句结构稍微复杂一些,但误解的余地更小,口语使用更多。但这都不是绝对的。还有一点,有时在写作中希望...
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