let sb do的被动语态
let sb do的意思是让某人做某事，英语里面常考的是let sb do的被动语态用法。下面是学习啦小编为你整理的let sb do的被动语态的相关资料，希望大家喜欢!
let sb do的被动语态
被动语态是be let to do
let是使意动词
被动时补to
故be let to do
let sb do例句
Let sb not do sth.
让某人不要做某事。
A let sb. do sth.
意为“让某人做某事”。
Old before above someone lets sb know, let shut BBS , but do not have official outgoing message all the time, we are supporting to procrastinate came down.
多年前上面有人打招呼，让关闭BBS ，但一直没有正式发文，我们就顶着拖下来了。
But must not too direct, do bad meeting to let edition advocate give put sb out of the way.
但是千万不要太直接了，搞不好会让版主给干掉的。
Don't ever let sb. tell you you can't do sth. not even me.
永远不要让别人告诉你你做不到，即使是我。
Don't ever let sb. tell you you can't do sth. not even me.
永远不要让别人告诉你你做不到，即使是我。
被动语态的用法
一、概述
英语中有两种语态，主动和被动。
例如：Many people speak English. 谓语：speak的动作是由主语many people来执行的。 被动语态表示主语是动作的承受者，即行为动作的对象。例如：English is spoken by many people.主语English是动词speak的承受者。 所谓主动句就是由主动态动词(词组)作谓语动词的句子，而被动句则是由被动态动词(词组)作谓语动词的句子。 例如：He opened the door.他开了门。(主动句) The door was opened.门被开了。(被动句)
二、被动语态的构成
被动语态由“助动词be+及物动词的过去分词”构成。人称、数和时态的变化是通过be的变化表现出来的。现以teach为例说明被动语态在各种时态中的构成。
一般现在时：am/is/are+taught
一般过去时：was/were+taught
一般将来时：will/shall(be going to) be+taught
现在进行时：am/is/are being+taught
过去进行时：was/were being+taught
现在完成时：have/has been+taught
过去完成时：had been +taught
过去将来时：would(was/were going to) be+taught
三、被动语态的用法
(1)不知道或没有必要说明动作的执行者是谁。 例如： Some more interesting novels were stolen last year. 一些新小说去年被写了。(没说小说是谁写的) This book was published in 1981.这本书出版于1981年。
(2)强调动作的承受者，而不强调动作的执行者。 例如：the window was broken by Mike.窗户是迈克打破的。 This book was written by him.这本书是他写的。 Eight hours per day for sleep must be guaranteed.每天8小时睡眠必须得到保证。
四、主动语态变被动语态的方法
(1)把主动语态的宾语变为被动语态的主语。
(2)把谓语变成被动结构(be+过去分词) (根据被动语态句子里的主语的人称和数，以及原来主动语态句子中动词的时态来决定be的形式)。
(3)把主动语态中的主语放在介词by之后作宾语，将主格改为宾格。例如： All the people laughed at him. He was laughed at by all people. They make the bikes in the factory. The bikes are made?by them?in the factory.
五、含有情态动词的被动语态
含有情态动词的主动句变成被动句时，由“情态动词+be+过去分词”构成，原来带to的情态动词变成被动语态后“to”仍要保留。
例如： We can repair this watch in two days. This watch can be repaired in two days. You ought to take it away. It ought to be taken away. They should do it at once. It should be done at once.
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