人教版九年级英语动词不定式课件

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Make的用法 初中九年级英语教学PPT课件 人教版

Make的用法 初中九年级英语教学PPT课件 人教版

make 做、制造、制作
被动语态中常用 be made of / from, be made in, be made by等短语来表示“……是 由……制成的”,“……是在……制成的”和“……是被……制成的” 1 纸是木头制成的。 (看不出原材料)
The paper is made from wood . 2 桌子是木头制成的。( 看得出原材料)
Make 的用法
01
导入部分
02
make 做、制造、制作
03
make 的使动用法
04
make 的常用短语
05
总结归纳
06
巩固练习
教学重难点
教学 重点
make 的使动用法
Make
教学 难点
make + 宾语 + 宾补句型结构 make 的被动语态
课程导入
Mom is making a cake which makes baby happy
The desk is made of wood. 3 这些汽车是在长春制造的。(在某地制造)
பைடு நூலகம்These cars were made in Changchun.
make 的使动用法
当make的意思是“使、使得”时,一般用于“make + 宾语 + 宾 补”这种结构。 (1) make + sb. / sth. + adj. 意为“使某人或某物处于某种状态”。 这个消息使他很高兴。
The news made him happy.
(2)make + it+ adj.+ to do 通常用it作形式宾语 电脑使英语学习更加容易。 Computers make it easier to learn English.

初三英语寒假专题——动词不定式(Infinitive)知识精讲 人教版+汤姆森

初三英语寒假专题——动词不定式(Infinitive)知识精讲 人教版+汤姆森

初三英语寒假专题——动词不定式(Infinitive)知识精讲人教版+汤姆森【同步教育信息】一. 本周教学内容:寒假专题——动词不定式(Infinitive)同学们,寒假来到了。

这是我们休整总结的一个好时机。

在这一段时间里,我们对初中阶段经常出现,但同学们不易掌握的几个语法项目进行专项讲解。

今天我们的题目是动词不定式。

我们经常会遇到它,也经常会犯错误,今天让我们攻克这个难题。

一. 动词的非谓语形式我们都知道,动词在句子中做谓语。

如果把动词的形式稍做变化,还可以起到名词、形容词或副词的作用,在句中充当主语、宾语、表语、补语、状语等各种成分。

动词的这些变化被称为非谓语形式。

也就是说,除了谓语之外,其它成份都能充当。

动词的非谓语形式有三种:(1)动词不定式:to study(to+动词原形)(2)分词:studying(现在分词)studied(过去分词)(3)动名词:studying(形式与现在分词相同,相当于名词)动词的非谓语形式不随主语的人称和数的变化而变化;它仍具有动词的一般特征,可以带宾语、状语等构成短语;另外它也有时态的不同变化以及语态的变化。

今天,我们先来学习其中的一种,动词不定式。

二. 动词不定式的结构和功能:一般结构:to+动词原形时态的变化:一般现在时:to write(to be written 被动形式)现在进行时:to be writing现在完成时:to have written完成进行时:to have been writing动词不定式能起到名词、形容词、副词的作用,充当谓语以外的各种成分,是最神通广大三. 动词不定式功能分类:(一)作主语:eg.1. To learn English is not an easy thing.学习英语不是一件容易的事。

2. It is our duty to learn the knowledge well.好好学习知识是我们的职责。

2023年人教版英语中考语篇填空中动词适当形式变换规则课件

2023年人教版英语中考语篇填空中动词适当形式变换规则课件
例如:Mary is watching TV while I am (ddoo)inmgy homework.
补充:现在分词与动名词变化规则
1. 一般情况下,在动词原形后直接加-ing 例如: walk→walking
laugh→laughing
2. 以不发音的字母e结尾的动词去e, 再加-ing write→writing move→moving
例如:That made me_____fe__e_l ___(feel) very happy.
温馨提示
在被动语态中,使役动词后需加to.
例如:make sb. do sth.让某人做某事 (主动语态) sb. be made to do sth.某人被迫做某事 (被动语态)
Hale Waihona Puke 有关使役动词被动语态结构的考点: I am made________t_o__learn to sing.
4.位于形容词或形容词性物主代词之后
例:他们说昨天这有一场精彩的演讲。 They said there was a wonderful
s(pspeeachk) yesterday.
特殊补充
“动词变名词”的常见规则如下:
①动词+-er(-or/-r)
常考单词: drive→driver work→worker
例如:to为介词的考法 He is used to_________g_e_t(tginetg) up early.
2.情态动词及其否定形式+动词原形
例如:I can study hard and______g__o___ (go) to a good school.
3.助动词(do/does/did/will)及其 否定形式+动词原形

人教版九年级英语全册课件-Unit 5 Section B 第二课时

人教版九年级英语全册课件-Unit 5 Section B 第二课时

such as turn…into send out cover with rise into put…on
2. The art of paper cutting __tu__rn__s__ a simple thing like a piece of paper __in_t_o__ a beautiful piece of art. People often _p_u__t _ these art pieces __o_n___the doors, windows and walls of their homes to celebrate the Spring Festival.
The most common pictures are flowers, animals, and things about Chinese history. During the Spring Festival, they are put on windows, doors and walls as symbols of wishes for good luck and a happy new year.
6. Which art form do you think is the most interesting? Why? I think the sky lantern is the most interesting. Because it’s not too difficult for me to make one by myself. And it’s exciting to see the lantern flying away in the sky. I think … is the most… because…

最新版高考总复习英语(人教版)常考句式课件: 动词不定式常用句型 公开课一等奖课件ppt

最新版高考总复习英语(人教版)常考句式课件: 动词不定式常用句型 公开课一等奖课件ppt

例句
第7页
返回目录
结束放映


英语数字媒体资源库
▼难 点 诠 释
7 do all /what/everything he could to do sth
该句型的意思是“竭尽所能做某事”。
They were doing everything they could to help the fatherland. 他们在尽最大努力去帮助祖国。
句型释义
例句
第3页
返回目录
结束放映


英语数字媒体资源库
▼难 点 诠 释
3 Sb have/has/had no choice but to do sth
该句型的意思是“某人除了做某事别无选择” 。
We had no choice but to take a taxi for we'd missed the last bus. 由于错过了最后一班公 共汽车,除了乘坐的士,我们别无选择.
ห้องสมุดไป่ตู้
句型释义
例句
第5页
返回目录
结束放映


英语数字媒体资源库
▼难 点 诠 释
5 主语+动词+形容词/副词+enough to do sth
该句型的意思是“主语足够…能够做某事” 。 I was fortunate enough to travel to South Africa. 我足够幸运能够去南非旅游。
第9页
返回目录
结束放映
揿撴撵撶撷撸撹撺挞英撼语数字撽媒体资源库
挝擀擃掳擅擆擈擉擌擎擏
擐擑擓携擖擗擘擙擛擜擝 擞擟抬擢擤擥举擨
第10页
返回目录

专题03 动词不定式(人教版 九年级英语学习资料)

专题03 动词不定式(人教版 九年级英语学习资料)

专题03 动词不定式核心考点聚焦 (1)考点一:动词不定式基础 (1)考点二:动词不定式的功能进阶版(中考难度) (2)1.不定式结构作主语 (2)2.不定式结构作表语 (3)3.不定式结构作动词宾语(见表格附录) (4)4.不定式结构作定语 (4)5.不定式结构作状语 (4)6.不定式结构作宾语补足语 (6)当堂限时检测 (7)课后提升专练 (9)参考答案: (11)核心考点聚焦考点一:动词不定式基础1.1.动词不定式的形式:基本形式为“to+动词原形”,否定形式为“not to+动词原形”。

例It's important not to be late for class.上课不迟到是非常重要的。

1.2.动词不定式的功能(1)动词不定式作状语。

作状语时,一般在句中作目的状语、结果状语和原因状语。

例We need more money to improve transport in London.我们需要更多的钱来改善伦敦的交通状况。

(2)动词不定式作主语。

常用it作形式主语,真正作主语的不定式后置。

常用句型为“Itis+adj.+(of/for sb.) to do sth.”。

例It's not easy to find your way around the town.在这个小镇上要找到路很不容易。

(3)动词不定式作宾语。

常接动词不定式作宾语的动词有:would like/want to 想要agree to同意afford to 负担得起hope/wish to 希望decide to决定promise to 承诺continue to 继续expect to 期望refuse to 拒绝(4)动词不定式作宾语补足语。

常接动词不定式作宾语补足语的动词:tell sb.to do sth.告诉某人做某事warn sb.to do sth.警告某人做某事invite sb. to do sth.邀请某人做某事allow sb.to do sth.允许某人做某事expect sb. to do sth.期望某人做某事advise sb.to do sth.建议某人做某事(5)动词不定式作定语。

人教版英语中考动词不定式与动名词用法说课稿

人教版英语中考动词不定式与动名词用法说课稿
2.通过提问方式引导学生回顾已学的动词相关知识,为新课的学习做好铺垫;
3.创设生活化的情境,让学生尝试用英语描述一些日常动作,从而引出本节课的主题:中考动词不定式与动名词用法。
(二)新知讲授
在新知讲授阶段,我将逐步呈现知识点,引导学生深入理解:
1.首先,介绍动词不定式和动名词的概念,通过示例句型让学生直观地了解它们的结构和用法;
2.任务驱动法:将学习任务分解为若干个子任务,引导学生自主探究和解决问题,提高学生的实践操作能力和解决问题的能力。
3.案例分析法:通过分析实际语境中的案例,帮助学生理解语法知识,培养学生分析问题和解决问题的能力。
4.小组合作法:鼓励学生进行小组讨论和合作,培养学生的团队协作能力和沟通能力。
(二)媒体资源
(二)学习障碍
在学习本节课之前,学生具备的前置知识包括动词基本用法、时态、语态等。然而,学生在学习本节课时可能存在以下障碍:
1.对动词不定式和动名词的概念理解不清;
2.难以区分动词不定式和动名词的用法;
3.在实际语境中,不知道如何正确运用动词不定式和动名词;
4.部分学生对语法学习缺乏信心,容易产生畏惧和抵触心理。
五、板书设计与教学反思
(一)板书设计
我的板书设计将遵循清晰、简洁、结构化的原则。板书布局分为三部分:左侧列出本节课的主要知识点,中间展示例句和关键语法结构,右侧用于记录学生的疑问和解答。
1.主要内容:左侧列出动词不定式与动名词的定义、结构、用法和区别;中间部分通过彩色粉笔突出显示关键句型和语法规则;右侧部分实时更新学生的疑问和教师的解答。
(五)作业布置
课后作业布置如下:
1.完成一份动词不定式与动名词用法的练习题,巩固课堂所学知识;
2.撰写一篇小短文,运用所学知识描述一个生活场景;

人教版英语九年级全册Unit4复习课件

人教版英语九年级全册Unit4复习课件
不,我上班了。/是的,我没上班。
2. What’s he like now? 他现在什么样子? What +be +主语+like? 用来询问某人的外 貌特征,意为“…长什么样?”,相当于what do /does +主语+like? ►---What’s your brother like?=What does your brother like? 你哥哥张什么样? 辨析:be like 和look like be like: “像…一样”,常指品德、相貌等相像 ,
= I don’t know what they do with the problem.
2) 动词不定式短语 to deal with 后必须带宾语。 ► I don’t know how to deal with it.
我不知道如何处理这件事。
(3)shyness 名词,意为“害羞;腼腆”是形 容词shy 加后缀-ness 构成的名词。 ► He can’t get over his shyness. 拓展:sad -------- sadness
in the front of :“在…… 的前部”,强调在某一 物体内部的前面
(3)whole 形容词,意为“整个的;全部的”,常 用结构为“the+whole+单数名词”。all也有 此意,但语序不同:all用于冠词、所有格 或其他限定词之前;whole用于冠词、所有 格及其他限定词之后。
all the time
Grammar Focus
I used to be short
I didn’t use to be popular in school.
Paula used to be really quiet.

人教版九年级英语单元各单元语法专项课件

人教版九年级英语单元各单元语法专项课件

6.他们一步步地到达了山顶。
step ____ by ______. step They got to the top of the mountain ______
Unit2 单元语法聚焦
语 法 点 击
感叹句
感叹句是表示惊讶、赞美、喜悦、愤怒等情感的句子, 通常由what或how引导。常见结构: What a/an+形容词+可数名词的单数(+主语+谓语)! What+形容词+可数名词的复数(+主语+谓语)! What+形容词+不可数名词(+主语+谓语)! How+形容词或副词(+主语+谓语)! How+主语+谓语!
[解析] 句意为“你能告诉我下周是否会举行会议吗?” if, whether引导的宾语从句要用陈述语序,先排除C;再结合 next week可知时态是将来时,排除A;D项中宾语从句的引导 词是where,也可以排除。故答案为B。
B ( )8.[2013·鄂州] —Could you tell me ________ in your hometown in winter? —Sure. A.whether does it often snow B.whether it often snows C.if it often snow D.if does it snow
—________ writing emails, of course. A.With B.By C.At D.From
( B )3.Tom is sitting ________ the window. A.for B.by C.in D.on
( D )4.Nancy took my dictionary ________ mistake.
宾语从句的引导词和语序
宾语从句是名词性从句的一种,在复合句中作主句的 宾语。在本单元,我们将重点讲解宾语从句的引导词和语序。 1.宾语从句的引导词 选择宾语从句的引导词是有规律可循的,一般来讲,可分为 三个类型:

人教版九年级英语全册课件:unit1howcanwebecomegoodlearnerssectionb

人教版九年级英语全册课件:unit1howcanwebecomegoodlearnerssectionb
13
3/31/2019
challenge n. 挑战 He wants a career that offers a challenge. 他想要一份有挑战性的事业。 vt. 向......挑战; 对......提出异议 I challenged him to show his proof. 我要他拿出证据。 He challenged my view on that matter. 他就我对那件事的看法提出异议。
Practicing and learning from mistakes
Good learners think about what they are good
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at and what they need to practice more. Remember, “use it or lose it”! Even if you learn something well, you will forget it unless you use it. “Practice makes perfect.” Good learners will keep practicing what they have learned, and they are not afraid of making mistakes. Alexander Graham Bell did not invent the telephone overnight. He succeeded by trying many times and learning from his mistakes.
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1e Role-play conversations using the information in 1c and 1d. A: I don’t have a partner to practice English with. B: Maybe you should join an English club.

人教版九年级英语上册课件:Unit 5 (共23张PPT)

人教版九年级英语上册课件:Unit 5 (共23张PPT)

第二课时 考点讲解 1. (重庆南开名师讲解)He found it interesting that so many products in the local shops were made in China. 他发现一个有趣的现象,当地商店非常多的产品都是中国 制造。 辨析produce与product produce n. 是农产品、天然产物的总称, 是不可数名词;v. 生产;制造。 product多指工业生产的产品, 也可指文学或艺术方面的作 品,是可数名词。如:
3. (重庆南开名师讲解)The tea is packed and sent to many different countries and places around China. 茶叶 被装好,送往中国周边的很多不同的国家和地区。 一般现在时态的被动语态: (1)概念:被动语态是动词的一种形式,用以说明主语 与谓语动词之间的关系。被动语态表示主语是动作的承受 者。 (2)被动语态的构成: “助动词be+及物动词的过去分 词”,人称、数和时态的变化是通过be的变化表现出来的。
on用于较正式的场合,表示这本书,这篇文章或演说是严肃 的或学术性的,着重于知识的深度。 about 表示的内容较为普通,不那么正式。如: We are going to listen to a lecture on Africa history this afternoon. 今天下午我们将听(一个关于)非洲历史的演讲。 This is a book for children about Africa and its people. 这 是一本供儿童阅读的有关非洲和非洲人的书。 I heard him talk about Chinese medicine last night. 昨晚 我听到他谈论中国医学。(泛谈)

人教版九年级英语PPT课件

人教版九年级英语PPT课件
They have finished the job already.
Have they finished the job yet? 他们还没有完成这项工作吗? 4. 现在完成时的否定句的构成 直接在have/has之后加not构成。
They haven't finished the job yet. 他们尚未完成该项工作。
to have a better understanding of English movies.
You have to leave now __A__ you can catch the early bus.
A. so that
B. as soon as
C. because
D. if
根据汉语提示用正确形式填空。 1. Do you have any w__o_r_d_c_a_r_d_s(单词卡)? 2. Please read _a_lo_u_d_ (大声地), I can’t
2. That doesn’t sound too bad. 那听上去不算太糟糕。 sound用作连系动词,“听起来”,后跟形容词。 感官系动词: feel, taste, look, smell…… Exercise: The manager sounded on the phone. He
offered to show us around the company. A. softly B. friendly C. gently D. seriously
__✔___b. by making word cards __✔___c. by reading the textbook __✔___d. by listening to tapes __✔___e. by asking the teacher

人教版九年级英语unit8全单元完整ppt课件

人教版九年级英语unit8全单元完整ppt课件
I am not a bit happy. / I am not a little happy. 精选
12. I’d like to thank you for sending money to
“Animal Helpers”, an organization set up to help
disabled people. (P66)
②three very special young 为多个形容词修饰名词
people.
多个形容词修饰名词的顺序为:限定词 性质 大小 形状 年龄 颜色 国家 材料。
e.g. a beautiful little new white wooden house
一座漂亮的新的小白木屋
精选
注释:
“限定词”包括:冠词、物主代词、指示代词或数词 ,它们位于各类形容词前。“描绘”性形容词有: beautiful, bad, cold, great等。“大长高”表示大小、 长短、高低等的一些词。表示“形状”的词有: round, square等。“国籍”指一个国家或地区的词。 表示“材料”的词有:wooden, woolen, stone, silk等 。表示“用途”的词有:medical, college, writing, police等。
7. You could start a Chinese History Club. (P62)
start动词,此处意为“创办,建立”,相当于set up,此时不 能与begin互换。
e.g. He started a new shop last year.
拓展:start用作动词时的本义为“开始”,相当于begin。 后接名词、代词、动词不定式或动名词。
e.g. I think it very important to take part in the discussion. I find it difficult to talk to you.

Unit 11 Section A(1a-2d)九年级全册英语课件(人教版)

Unit 11 Section A(1a-2d)九年级全册英语课件(人教版)
1. Waiting for Amy drove Tina _c_r_a_z_y_. 2. Amy didn’t want to _s_ta_y_ at Rockin’ Restaurant. 3. Loud music makes John want to _d_a_n_c_e_. 4. The movie was so sad that it made Tina and Amy
crazy. = make me crazy John: Oh dear. Where did you go for dinner, then?
Tina: First we went to Rockin’ Restaurant, but Amy didn’t want to stay. She said that the loud music made her nervous.
Rockin Restaurant
1.The _a_w_f_u_l pictures make Amy u__n_c_o_m_f_o_r_ta_b__le_.
2.The _l_o_u_d_ music makes Amy _n_e_r_v_o_u_s_.
Blue Ocean 3.The _s_o_ft___ music makes Amy _r_el_a_x_e_d_,but it makesTina _s_le_e_ Nhomakorabea_y_.
Which restaurant would Amy rather go to?Why?
Amy would rather go to Blue Ocean because..
Amy would rather go to Blue Ocean .
Amy would rather =Amy'd rather

人教版初中英语九年级上册Grammar Focus[6]-课件

人教版初中英语九年级上册Grammar Focus[6]-课件
We’re supposed to …
What are you supposed to do when someone asks you for help?
We’re supposed to …
用所给词的适当形式填空 1. As a student, I know I am _s_u_p_p_o_s_e_d_
if you want to leave the classroom.
A.supposed that B.are supposed to C.are wanted D.are suggested
解析:B。 题意:如果你要离开教室, 你应该得到老师的同意。be supposed to 意为 “应该……;被期望……”。
loudly in the reading room.
A. told
B. supposed
C. not supposed
D. allowed
(2012·湖北黄石市中考) 你应该找份兼职以多挣点钱。
You __a_r_e____s_u_p__p_o_s_e_d_ to find a part-time
”二
,分
我管
们教
一,
起八
,分
静放
待手
花;
开二
。分

➢ Pure of heart, life is full of sweet and joy!
绩 ,













我们,还在路上……
What are you supposed to do when you see an old man fall down?

2023年人教版英语九年级中考复习语法之非谓语动词(动名词、分词)讲义

2023年人教版英语九年级中考复习语法之非谓语动词(动名词、分词)讲义

人教版英语九年级复习之非谓语动词(动名词、分词)非谓语动词是指在句中充当除谓语以外的其他句子成分的动词形式,可作主语、宾语、表语、定语、状语、补足语等,在句中起名词、形容词、副词的作用。

非谓语动词包含三种形式:动词不定式、动名词和分词(现在分词和过去分词)。

考点一:动名词动名词,即动词-ing形式动词的-ing形式由“动词原形+-ing”构成,其否定形式为“not+动词的-ing形式”。

动词的-ing形式在句中可以作主语、宾语、表语、定语、宾语补足语等。

1、作主语动名词作主语,谓语动词用单数,大多数情况下可以和不定式互换Watching TV too much is a waste of time. = To watch TV too much is a waste of time.看电视太久是在浪费时间。

典型例题:1._________ an English club ______ a good way to improve English.A.Joining; isB. Join; areC. To join; isD. Joins; are2. ________ lots of vegetables ________ good for our health.A. Eating; isB. Eat; areC. To eat; isD. Eats; are参考答案:1.A 2. A2、作宾语。

(1).在初中阶段我们需要掌握的后跟动词-ing形式作宾语的词语有dislike, consider, enjoy, finish, imagine, keep, mind, practice, suggest, give up, put off, keep on, be busy, have fun, be afraid of, be good at, be interested in, be \get used to, look forward to, feel like, thanks for等。

2024-2025学年人教版九年级英语上册单元语法小专题[8]-课件

2024-2025学年人教版九年级英语上册单元语法小专题[8]-课件

Ⅱ.根据汉语提示完成下列句子,每空一词。 6. He __u_s_e_d___ _to_______be________(以前是) a history teacher in our school. 7. There __u_se_d____ _to______b_e________(以前有) an old temple near the village. 8. She _g_e_t_s____u_s_e_d____t_o____w_a_l_ki_ng________(习惯于散 步) after supper. 9. Wood __Is______us_e_d____t_o_ ____m_a_k_e_ ________(被用来 制造)paper. 10. Mrs. Black _H_a_s_____be_e_n_/g_o_t___u_se_d_____to_ ________( 已习惯于)eating with chopsticks.
Ⅲ.按要求完成下列句子,每空一词。 11. My brother used to play football after school.(改为一 般疑问句并作否定回答) —___D__id___ your brother __U_s_e____ _t_o______p_la_y______ football after school? —No,he __d__id_n_'_t_. 12. Tom used to be a quiet boy.(改为否定句) Tom __d_id_n__'t__ _u_s_e_____ t_o______b_e ________ a quiet boy. 13. There used to be an old hospital behind our school, __d_i_d_n_‘_t _ t_h_e_r_e____?(完成反意疑问句) 14. I used to see my aunt once a month.(对画线部分提问) __H_o_w____ _o_ft_e_n____d_id_______ you ___U__s_e__ _t_o______ see your aunt? 15. Mary used to stand at the window and wave goodbye.(改为一般疑问句) ___D_id____ Mary _____u_s_e_ __t_o_____ stand at the window and wave goodbye?

九年级人教版英语教学课件:Unit 10 You’re supposed to shake hands. (共36张PPT)

九年级人教版英语教学课件:Unit 10  You’re supposed to shake hands. (共36张PPT)

Section A
Section B
3.Where I’m from,we are pretty relaxed about time.(教材P75) 在我们的那个地方,我们的时间观念比较随意。 [解读1] where引导地点状语从句,说明主句行为发生的地点。 Just stay where you are. 就留在你原来的地方。 [解读2] relaxed为形容词,意为“放松的,自在的”,固定搭配be relaxed about...意为“对……感到放松”。 Don’t be afraid.Just be relaxed about the interview. 不要害怕,轻松面试。 You just need to be relaxed about this examination. 你只要放松地面对考试就可以了。
Section A
Section B
拓展:(1)take off还可以意为“(飞机等)起飞”。 The plane will take off soon. 飞机很快就会起飞。 (2)与off相关的短语 get off下车 cut off切除 put off推迟 go off(闹钟)发出响声 shut off关闭;停止运转 turn off 关上
Section A
Section B
5.We often just drop by our friends’ homes if we have time.(教 材P75)我们经常一有时间就顺便到朋友家拜访。 [解读] drop by 意为“顺便拜访;随便进入”,可单独使用,也可后接 表示地点的名词。 Drop by when you are free. 有空来坐坐。 You were out when I dropped by your house. 我去拜访你时,你不在家。
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三、不定式结构作动词宾语
1.“动词 + 带 to 的不定式结构”。这类动词常见的有:afford, agree, arrange, ask, choose, decide, demand, desire, expect, hope, learn, manage, offer, pretend, promise, refuse, want, wish, like, hate, prefer, continue, try, start, forget, mean, intend, begin, 等,例如:
疑问词(也称连接代/副词)有:what, wher, which(why 除外),如:
I don’t know what to do / where to go / who(m) to ask / when to stop / how to get there.
动词不定式
一、不定式结构作主语
To see one time is better than to hear a hundred times. To persevere means victory! 注①:在很多情况下,特别是在口语中,常采用先行it代替主语, 而把不定式后置: It’s a great pleasure to be here. It is not an easy thing to master a language. 注②:这种后置不定式的结构也适用于某些谓语动词不是系动词 的句子,如: It took us five hours to get there. It made us very angry to hear him talk like that.
二、不定式结构作表语
1.主语和表语都是不定式(其含义往往一是条件,一是结果), 如:
To be kind to the enemy is to be cruel to the people. To do that would be to cut the foot to fit the shoe. 2.主语是以aim, duty, hope, idea, intention, mistake, plan, proposal, job, suggestion 等为中心词的名词词组,或以 what 引导的名词性从 句表示,后面的不定式说明其内容,如:
I haven’t decided whether to sell it or not. We must find out what to do next / where to put it.
注① :如果作宾语的不定式结构有自己的补语,则应使用先行 it, 把不定式后置,例如:
I find it difficult to understand him. We thought it wrong not to help her. They found it impossible to get everything ready in time. 注② :不定式结构一般不可作介词宾语, 只有在个别场合, 即在含有 否定意义的带有介词 except 或 but (=except) 的结构中才能这样用, 例如:
He seldom comes except to look at my pictures. The child did nothing except weep. She can do anything but sing. He will do anything for you except lend you money. They could do nothing but wait for the doctors to arrive. 注意不定式符号的省略问题!
注:在某些句型中,当主语部分有动作动词do 时,作表语的不定 式可以省略符号 “to”,如:
All we have to do is push the button. The only thing I can do now is go on by myself. All I could do was send him a telegram.
I’ve arranged to meet him at ten o’clock. I didn’t expect to find you here. 2.“动词 + 疑问词 + 带 to 的不定式结构”。(这种不定式结构接 近一个名词从句)。这类动词常见的有:tell, advise, show, teach, find out, decide, discuss, learn, forget, inquire, know, explain, remember, see, understand, wonder 等。
My idea is to climb the mountain from the north. Your mistake was not to write that letter. My suggestion is to start work at once. What I would suggest is to start work at once.
注③:不定式结构的逻辑主语通常可在特定的上下文或情景 中看出,也可以由“ for + 名词词组” 来表示,如:
It is not hard for one to do a bit of good. It was difficult for me to do the work. 注④:某些形容词在上述结构中作表语时,常在不定式之前 加上 “of + 名词词组” 来说明不定式所指的是谁的情况, 如: It’s kind of you to think so much of us. It’s very nice of you to be so considerate. It’s unwise of them to turn down the proposal. It was careless of her to make such a mistake.
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