想要学好初中英语,解决动词是关键,动词对英语学习的影响最大,动词有五种形态(原形,三单,现在分词,过去式,过去分词);英语的时态,语态,语气等语法知识也在动词上体现;初中常见的动词共有300个,其用法、短语却有很多;现逐步分享给大家学习!
今天分享的动词—— know
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:
- know ... 知道/了解...
I know him.
我知道/了解他。
Do you know this place?
你知道这个地方吗?
- know 句子;知道/了解...(宾语从句)
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)
- know 特殊疑问词 to do; (重点用法)
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)
- know about / of... 了解,知道...
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 sb. know 据/就某人所知 (阅读题经常出现)
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。
- known 为过去分词,可做形容词,
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!
英语启蒙者,初高中学生必须掌握的300英语动词即用法;持续更新;
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