有关不定式的否定式，不定式否定式的构成与用法，不定式的否定式可用作哪些句子成分，...

知识点1:有关不定式的否定式

1. 不定式的否定式的构成
通常是将否定词not或never置于不定式之前，即构成not to do 或never to do 的形式，注意not和never一定要放在不定式符号to的前面，而不是其后面。如：
The doctor advised me not to smoke. 医生劝我不要抽烟。
Father warned me never to drive after drinking. 父亲警告我不要酒后开车。
【注】若不定式为完成式和被动式，否定词应置于整个结构之前。如：
She pretended not to have seen him. 她假装没看见他。
It is nice not to be dependent on others. 不依靠别人是好的。
2. so as to do sth 和in order to do sth 的否定式[1]in order,so as to,相关知识点

in order/so as to ... 句型结构分析语法讲解：句子成分、什么句型句法，怎么用什么意思结构︰in order／so as＋to-不定词…说明︰此句型意为“为了…；想做…就得…”。这是表目的的不定词句型，意思更为明确。 He must work very hard in order to support his large family. 他必须查看详情>>

对于这两个结构的否定式，通常是将否定词置于不定式符号to之前，而不是置于整个结构之前或其他位置。如：
Study hard so as not to fail the exam. 努力学习，以免考试不及格。[2]exam单词记忆法

◆记忆方法一：联想方式： ex-（ 恶学很多小孩恶学是因为讨厌考试。◆记忆方法二：分析：ex --- ―一休‖的近似发音， am --- 是 记忆方法：一休是个天才，从来不怕考试。◆记忆方法三：分析：ex——“一休”的谐音；am——是。 记忆方法：一休是个天才，从来不怕考试。◆记忆方法四：联想方式： ex-（ 恶学记忆方法：很多小孩恶学是因为讨厌考试。查看详情>>

He came in quietlyin order not to wake his wife. 他轻轻进来，以免把他妻子吵醒。

知识点2:不定式否定式的构成与用法


不定式否定式的构成与用法

不定式的否定式通常是将否定词not或never置于不定式之前，即构成not to do 或never to do 的形式，注意not和never一定要放在不定式符号to的前面，而不是其后面。如：
Be careful not to fall. 当心别掉下来。
Go in quietly so as not to wake the baby. 悄悄走进去，以免把宝宝吵醒。
The driver was not to blame for the traffic accident. 那次交通事故不应该责怪司机。
注：若不定式为完成式和被动式，否定词应置于整个结构之前。如：
How foolish I was not to have bought it! 我没买下它真是太傻!
The humor of it is not to be absorbed in a hurry. 其中的幽默不是一下子能领会的。


知识点3:不定式的否定式可用作哪些句子成分

四、用作定语
We have an agreement not to talk about some things. 我们有一个协议，有些事不谈。[3]talk about,talk,相关知识点

talk with/ talk of/ talk on/ talk about① We often talk of you. 我们常谈到你。Ⅳ. talk on “论述”不仅指内容，而且还指评论。如：① They seldom talk on politics in those days. 那时候他们很少谈论政治。查看详情>>

There belongs to the history of fifteenth century English literature a very pretty story not to be found in literary textbooks. 15世纪英国文学中有一篇很美的故事，在文学教科书中是找不到的。
五、用作状语
Study hard so as not to fail the exam. 努力学习，以免考试不及格。
He came in quietly in order not to wake his wife. 他轻轻进来，以免把他妻子吵醒。[4]quiet单词记忆法

◆记忆方法一：联想方式：qu弯曲+i（我）+et外星人在弯曲的小路上，我和外星人安静地在对视。◆记忆方法二：分析：和 quite（很，相当）相似 e 和 t 颠 倒了 记忆方法：这里相当宁静。 a. 脏的◆记忆方法三：联想方式：qu弯曲+i（我）+et外星人记忆方法：在弯曲的小路上，我和外星人安静地在对视。查看详情>>

You were lucky not to be killed. 你大难不死，真是好运气。
He shut himself in the room so as not to be disturbed. 他把自己关在屋里以免受到打扰。
The book is intended to be read and not to be torn. 这书是供人阅读而不是供人撕毁的。
He started early in order not to miss the train. 为了不误火车，他很早就动身了。
六、用作宾补
He warned me not to touch it. 他警告我不要触碰它。[5]touch单词记忆法

◆记忆方法一：联想方式：touch-偷车记忆方法：的人尝试触摸了车门◆记忆方法二：词根词缀记忆法：touch v 摸，接触,touch=touch，表示“摸，碰”查看详情>>

She begged me not to tell her parents. 她求我不要告诉她的父母。
My mother told me not to talk to strange men. 妈妈叫我不要和陌生人交谈。
You must promise never to do that again. 你必须答应我再也不做那事。
Ask Rex not to phone, I don’t want to be disturbed. 雷克斯别打电话，我不想被打扰。
七、用作主补
Visitors are requested not to touch the exhibits. 参观人士请勿触摸展品。
Passengers are kindly requested not to smoke at the buffet counter. 乘客请勿在自助餐台附近吸烟。
You have often been told not to do that. 多次告诫过你别干那事。
Lone women drivers are advised not to pick up hitchhikers. 建议独自驾车的女子不要让人搭便车。
The sailors were warned not to get into trouble while they were on shore. 水手们被警告在岸上不要惹事生非。



知识点4:学习不定式的否定式应注意的两点

学习不定式的否定式应注意的两点

1. 不定式的否定式的构成
通常是将否定词not或never置于不定式之前，即构成not to do 或never to do 的形式，注意not和never一定要放在不定式符号to的前面，而不是其后面。如：
Take care not to break it. 小心别把它打破了。
He strongly advised me not to do so. 他使劲劝我别这样做。
注：若不定式为完成式和被动式，否定词应置于整个结构之前。如：
You were silly not to have locked your car. 你没锁车太傻了。
It is nice not to be dependent on others. 不依靠别人是好的。
2. so as to do sth 和in order to do sth 的否定式
对于这两个结构的否定式，通常是将否定词置于不定式符号to之前，而不是置于整个结构之前或其他位置。如：
Go in quietly so as not to wake the baby. 一进去时不要出声，以免把宝宝吵醒。
They must have worn gloves in order not to leave any fingerprints. 他们一定戴上了手套，以防留下指纹。[6]must,have,相关知识点

must have V-ed ... 句型结构分析语法讲解：句子成分、什么句型句法，怎么用什么意思 They must have read the article. 他们一定读过这篇文章。 You must have seen him before. 你以前一定见过他。 He must have forgotten my name. 他一定忘了我的名字。 查看详情>>

知识点5:不定式否定式的用法说明

She pretended not to have seen him. 她假装没看见他。
It is nice not to be dependent on others. 不依靠别人是好的。
You were silly not to have locked your car. 你没锁车太傻了。

2. so as to do sth 和in order to do sth 的否定式
对于这两个结构的否定式，通常是将否定词置于不定式符号to之前，而不是置于整个结构之前或其他位置：
Study hard so as not to fail the exam. 努力学习，以免考试不及格。
He came in quietly in order not to wake his wife. 他轻轻进来，以免把他妻子吵醒。
Go in quietlyso as not to wake the baby. 进去时不要出声，以免把宝宝吵醒。
Take every precaution so as not to catch cold．采取一切预防措施以免感冒。
We keep the window shut in order not to let the flies in. 我们把窗子关着以免苍蝇进来。
They hid themselves in the cave in order not to be seen by the enemy. 他们躲在洞穴里以免被敌人发现。
Please reply at once in order not to lose this opportunity of a lower price. 请立即回复，以免失去这次低价的机会。
They must have worn gloves in order not toleave any fingerprints. 他们一定戴上了手套，以防留下指纹。



知识点6:不定式否定式的几点用法注意[7]用法,注意,相关知识点

would rather的用法注意通常将not置于would rather之后。如：I’d rather not say anything. 我宁愿什么也不说。4. would rather 的疑问式通常将would置于主语之前。如：Would you rather work on a farm? 你宁愿在农场工作吗？Which would you rather have, r查看详情>>