使役动词的用法以及50道练习题(附答案)
1) Have的用法
1.Have宾语省to不定式：表示主语“要”“使”“让”宾语干某事，宾语和宾补之间是一种主动关系。而且还可以与情态动词will。would连用，不用于被动结构。例如：The rich lady had the singer eat with his servants。我让这位歌手和我的仆人一起用餐。
I will have him come and help you。我会让他来帮助你。
2.Have宾语现在分词：表示让某人或物连续进行某动作或处于某状态中，宾语和宾补是一种主动关系。也可转化为“劝说，鼓励”宾语干某事。例如：The two XXX。这两个骗子让灯整夜亮着。
He had us waiting for him three hours XXX。昨天他让我们等了他三个小时。
I have them all talking to each other in English。我鼓励他们用英语交谈。
3.Have宾语过去分词：表示主语的主观意志，即主语让别人为自己完成某事，宾语和宾补是
动宾关系。还可以表示主语遭受到来利或不测的事。例如：Tom said he had had his TV set repaired。XXX说他已经修好了电视。
XXX had XXX昨天XXX在公交车上被偷了钱包。
别人”在句中一般不出现，这是它与结构1)的区别所在。试比较：
Have you washed your clothes。你洗了衣服了吗？(自己洗)
Have you had your clothes washed。你叫人洗了衣服了吗？(别人洗)
4.Have宾语形容词/副词/介词短语作宾补。例如：Please have your tickets ready。请准备好你的票。
The Emperor had nothing on。皇帝什么也没穿。
I am XXX I’ll have him in the argument。我相信我会在争论中击败他。
2.Let的用法
1.Let宾语省to不定式：表示主语“要”“使”“让”宾语干某事，宾语和宾补之间是一种主动关系，罕用于被动语态。有时也可指一种假设。Let后不能接现在分词，过去分词作宾补。例如：Let's go swimming。我们去游泳吧。
Let me help you with that。让我帮你吧。
2.Let宾语现在分词：表示容忍、让步，宾语和宾补之间是一种被动关系。例如：He let the children play in the XXX。他容许孩子们在花园里玩耍。
Letting him go was the XXX。放手让他走是我做过的最难的事情。
3.Let宾语过去分词：表示“让”或“被让”，宾语和宾补之间是一种被动关系。例如：I was let go from my job last week。上周我被解雇了。
She let herself be persuaded to go to the party。她被劝说去参加了派对。
4.Let后接形容词或副词作宾补，表示“让某人处于某种状态”。例如：Don't let the children get bored。别让孩子们感到无聊。
Let's keep this een us。让我们之间保密。
weight的用法及短语In order to encourage independent learning。students should be allowed to work on their XXX.
Assuming that AB is equal to CD.
Please allow me to enter and let them exit.
1) XXX student to stand in the corner for an hour.
The misbehaving student was made to stand in the corner for an hour.
2) XXX.
Do you find it easy to make yourself XXX?
XXX plan to the public.
When using "let" as a causative verb to mean "allow," the infinitive following it does not incl
ude "to." For example: Let me have a try。
When "let" is used with an adverb as an object complement。the verb is often omitted if the meaning is clear。For example: Let him (come) in.
注意三：let在被动语态中很少使用。可以使用allow或其他表达方式。例如：After ning。he was allowed to go home.经过问询后，他被允许回家了。
关于使役动词make的用法，需要注意以下几点：
1.当不定式作为复合结构的宾语时，make后面的不定式不能带to。但是，如果make被用于被动语态，则不定式必须带to。例如：Though he had often made his little sister cry。today he was made to cry by his little sister.虽然他曾经常把他小妹妹弄哭，但今天他被他小妹妹弄哭了。需要注意的是，如果make不表示“使”，而表示其他意思，则情况不同。例如：We make candles to give light.我们做蜡烛照明。He made a box to put his money in.他做了个盒子来装钱。

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