| 词组 | know |
| 释义 | Contents overview knowfind out and knowfind out and know and know 504.510639I know and I know itI know and I know it and I know it 504.610845504 know1know how + infinitiveKnow is not followed directly by infinitives. We use know how to (111).I know how to make Spanish omelettes. (not I know to make …)2object + infinitiveIn a formal style, know is sometimes followed by object + infinitive.They knew him to be a dangerous criminal.The passive equivalent is quite common in a formal style.He was known to be a dangerous criminal.In a less formal style, that-clauses are more usual.They knew that he was a dangerous criminal.Know means 'experience' in the common structure I've never known + object + infinitive; an infinitive without to is possible in British English.I've never known it (to) rain like this.3tensesKnow cannot usually be used in progressive forms (4).I know exactly what you mean. (not I am knowing …)A present perfect tense is used to say how long one has known somebody or something. (52 for more details.)We've known each other since 1994. (not We know each other since 1994.)4know and know about/ofKnow + object is used mainly to talk about knowledge that comes from direct personal experience. In other cases, we normally use know about/of, have heard of or another structure. Compare:'You don't know my mother, do you?''No, I've never met her.'We all know about Abraham Lincoln. (not We all know Abraham Lincoln.)5know and find out, etcKnow is not normally used to talk about finding something out: to know something is to have learnt it, not to learn it. To talk about getting knowledge we can use for example find out, get to know, learn, hear, can tell.'She's married.''Where did you find that out?' (not … Where did you know that?)I want to travel round the world and get to know people from different countries. (not … and know people …)He's from Liverpool, as you can tell from his accent. (not … as you can know from his accent.)6I know and I know itNote the difference between these two short answers.I know refers to facts – it could be completed by a that-clause.'You're late.''I know.' (= I know that I'm late.)I know it generally refers to things – it replaces a noun.'I went to a nice restaurant called The Elizabeth last night.''I know it.' (= I know the restaurant.)For ways of using you know, 301.3.Previous Next |
| 随便看 |
|
英语用法大全包含1354条英语用法指南，基本涵盖了全部常用英文词汇及语法点的翻译及用法，是英语学习的有利工具。