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动词know的几条用法与搭配 | |||
作者:JDG 文章来源:本站原创 点击数: 更新时间:2011/6/2 |
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动词know的几条用法与搭配 1. 其后一般不直接跟不定式,但在以下情况可接不定式: (1) 后接“疑问词(why 除外)+不定式”。如: I didn’t know what to say. 我不知道说什么。 We don’t know when to start. 我们不知道什么时候出发。 他会弹钢琴。 误:He knows to play the piano. 正:He knows how to play the piano. (2) 表示知道应该要做某事。如: She knows not to tell anyone about it. 她知道不该告诉任何人。 比较下面两句,注意其中的how的有无和意思的变化: Does he know to come here first? 他知道应该先到这儿来吗? Does he know how to come here? 他知道如何到这儿来吗? 2. 比较 know 与 get [come] to know:前者意为“认识”,是持续性动词;后者意为“开始认识”,是终止性动词。如: We’ve known each other for 10 years. 我们俩认识10年了。 We got to know each other ten years ago. 我们俩是10年前认识的。 3. know 之后可接不定式的复合结构,主要句型为: (1) know+宾语+to be(to be通常不省略),这类句型可转换为that引导的宾语从句。如: I know him to be a fool.=I know (that) he is a fool. 我知道他是个傻瓜。 (2) know+宾语+to do(有时可省略 to),在这类句型中 know 一般只限于用过去时或完成时,通常译为“听说过”“见过”等。如: I have never known her (to) tell lies. 我从未听说她撒过谎。 I’ve never known her (to) be late before. 我以前从不知道她迟到过。 在被动语态中,不定式必须带 to。如: He was known to have a quick temper as a boy. 人们都知道他在孩提时代脾气暴躁。 4. 比较:be known as, be known for 与 be known to: (1) be known as 意为“作为……出名”。如: She was well known as an excellent dancer. 她作为一个杰出的舞蹈家非常有名。 (2) be known for 意为“因为……出名”。如: He is known for his poems. 他以他的诗出名。 (3) be known to 意为“为……所知”。如: He is known to everyone. 大家都熟悉他。 ——摘自《中学英语高频词详解词典》(金盾出版社) |
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