knows (三单)- knowing(现在分词)- knew(过去式)- known(过去分词) know 表示 “知道,了解,明白” 其用法与如下:
I know him. 我知道/了解他。 Do you know this place? 你知道这个地方吗?
I know (that)tomorrow is your birthday. 我知道明天是你的生日。 I don't know what he wants to do now. 我不知道他现在想要做什么。 Do you know where the supermarket is? 你知道超市在哪里吗? 注意:know 后面的宾语从句要用陈述语序。(见文章:宾语从句)
I don't know what to do next. 我不知道接下来该做什么。 He knows how to do it. 他知道怎么做。 We don't know where to go. 我们不知道该去哪里。 注意:此结构为宾语从句的变形; 如:I don't know what to do next. = I don't know what I should do next. 当从句的主语与主句的主语(或宾语)相同时,才能变形; 如:My mom let me know how I could make the soup. 妈妈让我明白了怎样做汤。 从句主语 I 与主句的宾语 me 一致,可变形: = My mom let me know how to make the soup. 如:I don't know when she will arrive in Chongqing. 我不知道她什么时候到重庆。 此时主句的主语 I 与从句的主语 she 不一致,不能变形;若变形,意义也就变了; I don't know when to arrive in Chongqing. 我不知道什么时候到重庆。(我到重庆,而不是她)
两者有较小的区别,初中基本不考查,了解即可; know about 表示了解的程度更深 know of 表示有听说,知道并不一定了解 I know nothing about it. 我完全不了解这个。 I don't know about him, but I know of him. 我不了解他,但听说过他。
as far as I know 就我所知 As far as I know, Jim is interested in music. 就我所知,Jim对音乐感兴趣。 As far as I know, five people were killed by the accident. 就我所知,有五人死于这场事故。
与初二上册学习的“famous”意思相同,表示“为人所知的,闻名的”;构成短语如下: be known/famous for... 因为...而闻名 be known/famous as... 作为...而闻名 be known/famous to... 为(某人)所熟知 Edison was famous/known for his great inventions. 爱迪生因为他的伟大发明而闻名。 He was famous/known as a great scientist. 他作为一个伟大的科学家而闻名。 He is famous/known to all of us. 对于我们而言,他非常出名。 初中阶段,famous 的出现频率更高,必须掌握其短语,但 known 的用法也是需要知道的! |
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