《动词不定式》ppt课件
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非谓语动词_动词不定式课件.ppt
To live is to do something worthwhile.
To listen closely and reply well is the highest perfection in the art of conversation.
不定式作主语，可以放在句首，也可以用 it 作形式主语，将真正主语不定式 放在句 末 It is important to learn the right habits
以不带to的不定式作宾补的常用动词
see, watch, hear, feel, notice observe, look at, listen to, have, make let. discover
不定式作插入语
To tell you the truth, this is all Greek to me.
不定式作状语
1.不定式表目的 To do a good job, we must have the right ways. I’ll write down his telephone number in order to call h left, never to return. She was not old enough to understand all that. 3. 不定式表原因
动词不定式作宾语时放在句中,也可以用 it 作形式宾语,真正的宾语动词不定式放 在句末.
We thought it better to start early.
They consider it important to get his permission
不定式作表语
The next step is to make sure that you know exactly what is required.
To listen closely and reply well is the highest perfection in the art of conversation.
不定式作主语，可以放在句首，也可以用 it 作形式主语，将真正主语不定式 放在句 末 It is important to learn the right habits
以不带to的不定式作宾补的常用动词
see, watch, hear, feel, notice observe, look at, listen to, have, make let. discover
不定式作插入语
To tell you the truth, this is all Greek to me.
不定式作状语
1.不定式表目的 To do a good job, we must have the right ways. I’ll write down his telephone number in order to call h left, never to return. She was not old enough to understand all that. 3. 不定式表原因
动词不定式作宾语时放在句中,也可以用 it 作形式宾语,真正的宾语动词不定式放 在句末.
We thought it better to start early.
They consider it important to get his permission
不定式作表语
The next step is to make sure that you know exactly what is required.
高中英语动词不定式(共26张PPT)
C. the holder to use D. the holder uses
Because of the recent accident, our parents forbid my brother and me from swimming in the river unless someone agrees to watch over us.
Her husband can do everything except cook.
He wanted nothing but to stay there. 注意：如果but 或except 之前有实义动词do 的限定性
是或非限定形式，其宾语为不带to的不定式，否则为 带to的不定式。 Lots of empty bottles were found under the old man’s bed. He must have done nothing but ____ (drink） I thought you had planned to pradcrtiincekpiano today. “I did nothing but___ letters all day.”
careless,,clever,good,foolish,honest,kind,lazy,nice,right,silly, stupid,wise,等表示赞扬或批评的形容词，不定式前的 sb.可作其逻辑主语。
It is better to die on one’s feet than ____
A. to write B. write C. writing D. wrote
5、不定式（短语）做宾语补足语
在复合宾语中，动词不定式可充当宾语补 足语，如下动词常跟这种复合宾语：want, wish, ask, tell, order, beg, permit, help, advise, expect, encourage, persuade, allow, prepare, cause, force, call on, wait for, invite.，observe, intend, press, remind warn, lead, command 等， 如：
Because of the recent accident, our parents forbid my brother and me from swimming in the river unless someone agrees to watch over us.
Her husband can do everything except cook.
He wanted nothing but to stay there. 注意：如果but 或except 之前有实义动词do 的限定性
是或非限定形式，其宾语为不带to的不定式，否则为 带to的不定式。 Lots of empty bottles were found under the old man’s bed. He must have done nothing but ____ (drink） I thought you had planned to pradcrtiincekpiano today. “I did nothing but___ letters all day.”
careless,,clever,good,foolish,honest,kind,lazy,nice,right,silly, stupid,wise,等表示赞扬或批评的形容词，不定式前的 sb.可作其逻辑主语。
It is better to die on one’s feet than ____
A. to write B. write C. writing D. wrote
5、不定式（短语）做宾语补足语
在复合宾语中，动词不定式可充当宾语补 足语，如下动词常跟这种复合宾语：want, wish, ask, tell, order, beg, permit, help, advise, expect, encourage, persuade, allow, prepare, cause, force, call on, wait for, invite.，observe, intend, press, remind warn, lead, command 等， 如：
初中动词不定式完整ppt课件
但有的动词（如：need, want, require等）后面接动名词或动 词不定式作宾语均可。
在It + be + 形容词（easy, difficult, expensive等） + 不 定式句型中，动词不定式常用it 作形式宾语，而将真正的宾语 放到句子后面。
作定语
动词不定式作定语时，要放在被修饰的名词之后，表示与这个名词有逻辑上的动宾 关系，即不定式动词可以修饰的名词应是它的表语或宾语。
误用动词不定式的时态和语态
动词不定式的时态和语态需要根据句子的语境和上下文进行判断，但在 实际使用中，学生往往容易忽略这一点，导致时态和语态的错误使用。
注意事项
注意动词不定式的正确性
在使用动词不定式时，要确保其形式 的正确性，包括时态、语态、逻辑主 语等方面。
注意上下文语境
多练习、多积累
掌握动词不定式的用法需要大量的练 习和积累，因此学生应该多做相关练 习，多阅读相关材料，以便更好地掌 握这一语法点。
例如
They were watching TV at this time yesterday.（昨天这 个时候他们正在看电视）
语态的转换
1 2
主动语态 表示主语是动作的执行者
被动语态 表示主语是动作的承受者
3
动词不定式的语态转换
将主动语态的不定式改为被动语态的不定式，一 般在不定式前加to be，并将不定式的逻辑主语 作为被动语态的主语
04
动词不定式的省略和倒装
省略情况
当动词不定式在句子中作宾语补足语，表示的是一次性 的具体动作，且句子的主语和不定式的逻辑主语一致时， 可以省略to。
当动词不定式中的动词是be、have、助动词或情态动 词时，可以省略to。
动词不定式讲解PPT课件
• 9. stop to do sth 停下来去做某事
• Stop to have a rest if you are tired
• 10. stop doing sth 停止做某事
• Although it rained heavily , the farmers didn’t stop working in the field 虽然 雨下得很大，农民们却没有停止在田间劳动
• 16. need \require doing sth 主动表被动
• The blackboard needs\requires cleaning黑板需要擦了
• 17. go on to do sth • 做完一件事后继续做另外一件不同的事 • 18. go on doing sth继续20做21 原来所做的同一件事
It's important (for us) to protect the environment.
(对我们来说)保护环境是很重要的。
• 注：当在描述行为者的性格、品质的形容词，如：
good(好的)，kind(友善的)，nice(友好的)，polite(有礼貌的)， clever(聪明的)，foolish(愚蠢的)，lazy(懒惰的)，careful(细心
beginstartdosthbeginstartdoingsthlovehatedosthlovehatedoingsth202114practicefinishsuggestgiveupenjoymissbusymindcanthelpconsiderfeellikerememberwanttryneedforgetregrettrymeanrequirestop返回202116dosth记住要做某事youmustrememberdoorwhenyouleaverememberdoingsth记得曾做过某事rememberlockingfrontdoordosth忘记要做某事heforgotdohishomeworkyesterdayforgetdoingsth忘记曾做过某事forgotsayingdosth努力做某事hetriesanswereachquestiontrydoingsth试着做某事triedsingingenglishsong202117dosth打算做某事wemeantravelabroadnextyearmeandoingsth意味着meanswaitinghimanotherhourdosth停下来去做某事10stopdoingsth停止做某事rainedheavilyfarmersdidntstopworkingfield虽然雨下得很大农民们却没有停止在田间劳动11regretdosth对现在发生的事表示遗憾weregretinformyouyouowe我们很遗憾地通知你你欠银行100美元20211812regretdoingsth对发生过的事表示后悔heregrettedplayingcomputergames
• Stop to have a rest if you are tired
• 10. stop doing sth 停止做某事
• Although it rained heavily , the farmers didn’t stop working in the field 虽然 雨下得很大，农民们却没有停止在田间劳动
• 16. need \require doing sth 主动表被动
• The blackboard needs\requires cleaning黑板需要擦了
• 17. go on to do sth • 做完一件事后继续做另外一件不同的事 • 18. go on doing sth继续20做21 原来所做的同一件事
It's important (for us) to protect the environment.
(对我们来说)保护环境是很重要的。
• 注：当在描述行为者的性格、品质的形容词，如：
good(好的)，kind(友善的)，nice(友好的)，polite(有礼貌的)， clever(聪明的)，foolish(愚蠢的)，lazy(懒惰的)，careful(细心
beginstartdosthbeginstartdoingsthlovehatedosthlovehatedoingsth202114practicefinishsuggestgiveupenjoymissbusymindcanthelpconsiderfeellikerememberwanttryneedforgetregrettrymeanrequirestop返回202116dosth记住要做某事youmustrememberdoorwhenyouleaverememberdoingsth记得曾做过某事rememberlockingfrontdoordosth忘记要做某事heforgotdohishomeworkyesterdayforgetdoingsth忘记曾做过某事forgotsayingdosth努力做某事hetriesanswereachquestiontrydoingsth试着做某事triedsingingenglishsong202117dosth打算做某事wemeantravelabroadnextyearmeandoingsth意味着meanswaitinghimanotherhourdosth停下来去做某事10stopdoingsth停止做某事rainedheavilyfarmersdidntstopworkingfield虽然雨下得很大农民们却没有停止在田间劳动11regretdosth对现在发生的事表示遗憾weregretinformyouyouowe我们很遗憾地通知你你欠银行100美元20211812regretdoingsth对发生过的事表示后悔heregrettedplayingcomputergames
高中英语动词不定式的用法---完整版课件
巩固练习
1. Several of these washes and dryers are out of order and__D____.
A.need to be repairing B. repairing is required of them C. require that they be repaired. D. need to be repaired. 解析：and并列谓语动词， need to be repaired相当 于need repairing.
动词不定式
1.作主语 2.作宾语
1. 动词不定式 的用法
3.作定语 4.作表语 5.作宾补
6.作状语
2.动词不定式的时态和语态
3.
1. 动词不定式作主语 动词不定式作主语，谓语动词用第三
人称单数。
To get there by car will take a whole day.
How to get enough money is still a question.
2.— I wish you had brought your family with you.
— I’ll get them ___B____ next time.
A. coming
B. to come
C. come
D. have come
解析：使役动词get后跟带to的动词不定 式作宾补，let，make, have后跟省to的 动词不定式作宾补。
What I would suggest is to start work at once.
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：
《动词不定式》课件
动词不定式作定语时，表示目的、 原因等意义
动词不定式的时态和语态
第四章
时态形式及用法
一般式：不定式的一般形式为to do，表示动作的一般情况
进行式：不定式的进行式为to be doing，表示动作正在进行
完成式：不定式的完成式为to have done，表示动作已经完成 完成进行式：不定式的完成进行式为to have been doing，表示动作 已经完成且一直持续到现在
常见问题解析
第六章
易混淆点解析
不定式作宾语与动名词作宾语的混淆 不定式作定语与动名词作定语的混淆 不定式作主语与动名词作主语的混淆 不定式作表语与动名词作表语的混淆
常见错误解析
不定式作为宾语补足语时， 动词后面缺少必要的介词
不定式作为主语或宾语时， 动词后面缺少必要的介词
不定式作为状语时，动词后 面缺少必要的介词
不定式作为定语时，动词后 面缺少必要的介词
练习与巩固
第七章
单项选择题
动词不定式作宾语时，其逻辑主语必须是句子的主语。 A. 对 B. 错 答案：A. 对
A. 对 B. 错
动 答 案 ：词A . 对 不 定 式 作 宾 语 补 足 语 时 ， 其 逻 辑 主 语 必 须 是 句 子 的 宾语。 A. 对 B. 错 答案：B. 错
A. 对 B. 错 答案：B. 错
动词不定式作状语时，其逻辑主语必须是句子的主语。 A. 对 B. 错 答案：A. 对
A. 对 B. 错 答案：A. 对
动词不定式作定语时，其逻辑主语必须是句子的宾语。 A. 对 B. 错 答案：B. 错
A. 对 B. 错 答案：B. 错
完形填空题
题目：动词不定式完形填空 内容：提供多个含有动词不定式的句子，要求学生在句子中填写正确的动词不定式形式 目的：帮助学生掌握动词不定式的用法和形式，提高语言运用能力 难度：根据学生水平设置不同难度的题目，包括简单、中等和困难等级别
高考英语动词不定式精讲解课件(共34张PPT)
B. 做结果状语,常与副词only, enough 或too连用。 only to do “不料(却)……,结果(却)……", 表示 一个没有料到的结果
He studied hard only to fail the exam. The road is too dangerous to cross.
请告诉你的小孩不要在街上玩耍。
Please tell your child not to play in the street.
她检查名字为了不犯错误。
She checked the names so as not to make mistakes.
三、时态和语态
一般式 进行式 完成式
主动形式 to do
C. 不定式做原因状语, 一般用在句尾 I’m glad to see you. They are quite surprised to see the great changes taking place in the area.
(6). 做宾语补足语
A. 常带to的不定式做宾语补足语的动词有: ask,
allow, require, advise, permit, expect, get,
forbid, invite, persuade, urge, order, force, cause, encourage等
结构: ask / allow sb. to do sth./ sth. to be done
5. “Have you decided when _A____?” “Yes,
4. T__o_m__a_k_e_(make) things worse, my car was held up by the traffic accident.
He studied hard only to fail the exam. The road is too dangerous to cross.
请告诉你的小孩不要在街上玩耍。
Please tell your child not to play in the street.
她检查名字为了不犯错误。
She checked the names so as not to make mistakes.
三、时态和语态
一般式 进行式 完成式
主动形式 to do
C. 不定式做原因状语, 一般用在句尾 I’m glad to see you. They are quite surprised to see the great changes taking place in the area.
(6). 做宾语补足语
A. 常带to的不定式做宾语补足语的动词有: ask,
allow, require, advise, permit, expect, get,
forbid, invite, persuade, urge, order, force, cause, encourage等
结构: ask / allow sb. to do sth./ sth. to be done
5. “Have you decided when _A____?” “Yes,
4. T__o_m__a_k_e_(make) things worse, my car was held up by the traffic accident.
动词不定式(47张PPT)初中英语专项复习课件
说明 作主语用的不定式，常常用it作形式主语， 而把不定式放在后面。
My work is to clean the room everyday.=To clean 多数情况下，不定式作表语，可转换作为
the room every day is my work.
主语。
—What sports does he like to play?—He likes to 只能做某些动词的宾语，一般不作介词的
prove/
tend/
offer/
expect等
款适合你
夯基·必备基础知识
① Although he pretended to surrender to the enemy , he failed to win their trust.
② I hope to finish it tomorrow .
3.see sth done 看见某事被做 重点看宾语和补语之间的逻辑关系
夯基·必备基础知识 5. 作补语
① I heard her sing an English song just now.(主动，完成)
刚才我听见她唱了一首英文歌。
② I heard her singing an English song when I passed by her room yesterday.(主
夯基·必备基础知识 3. 作表语
注意：下列情况下不定式作表语通常省略to：
All you need to do now is complete the form. 你现在要做的是把这张表填好。
What I want to do most in senior high school is improve my English.
英语语法-动词不定式PPT课件
-Yes. I think that’s 2 years ago.
√ a. sfeoerget/br.esmeeeimngberct.otodoseseth.
d. saw
forget/remember doing sth.
stop/go on to do sth
stop/go on doing sth
宾语
4. People eat to live, but not live to eat.
5. I have a lot to tell you.
6.
定语 It’s not right to be always thinking of oneself.
7. We often see him play football.
(目的) (目的)
（结果）
第5页/共22页
4.用作主语（这时可将其用形式主语it来替换） 1.To be an actress is my dream. It is my dream to be an actress. 2. To go abroad is his dream. It is his dream to go abroad. 3. To say is easy, to do is difficult. It is easy to say, it is difficult to do.
todo表示目的doctordidwhathecoulddo作定语如是不及物动词构成不定式短语作定语其后需接介词第21页共22页感谢您的观看
动词不定式的基本形式是“to+动词原形 “，有时可以不带to.
动词不定式没有人称和数的变化，在句子中 不能作谓语。在句中可以作主语、表语、宾 语、宾语补足语、定语和状语。
高中英语语法 动词不定式的用法(31张PPT)
3> 不定式用在介词but, except, besides 后时,如果这些介词前有行为动词do的 各种形式,那么介词后的不定式不带to, 相反则带to.
(1). She could do nothing but cry. (2). I have no choice but to go. (3).What do you like to do besides sleep.
(5). 定语 (常常表示将来的动作)
I have something to say. He has a lot of homework to do . He is looking for a room to live in . There is nothing to worry about.
(如果不定式中的动词是不及物动词, 则不定式中要有介词.)
不定式
不定式由“to+动词原形”构成,其否定形
式是“not/never to do”,不定式没有 人__称__和__数__的变化，有时态和语态的变化。 不定式可以作主语、宾语、状语、表语和 定语，但不能单独作谓语。不定式的逻辑 主语有时用“for+名词或代词宾格”构成 。
一.结构 : to do (否定) not/never to do
(3) 宾语
I want to go home. The workers demanded to get better pay. I found it necessary to talk to him again.
think/ consider/ find it + adj.+ to do
常用动词不定式作宾语的动词有：
请给我一支写字的笔.
Please give me a pen to write with.
动词不定式(初二) (共18张PPT)
•
17、儿童是中心，教育的措施便围绕他们而组织起来。上午9时56分46秒上午9时56分09:56:4621.8.29
•
You have to believe in yourself. That's the secret of success. 人必须相信自己，这是成功的秘诀。
•
形式宾语
• 动词make，think，find，feel等词后面可以用it 做形式宾语来代替句子真正的宾语一动词不定 式，其结构为：
• There are many interesting places to visit
there.
定语
• So we decided to take the train. 宾语
• I also called to book some rooms. 宾语
• So Michael advised us to raise money. 宾语补足语
找出Unit6 Topic 1含不定式的句子
• I have some exciting news to tell you. 定语 • It will take us a few days to get there by bike.主语 • It’s too far to cycle. 结果状语 • You need to find the cost for the bus. 宾语 • I’d love to go by plane. 宾语 • We’ll decide on the best way to travel on our
•
14、谁要是自己还没有发展培养和教育好，他就不能发展培养和教育别人。2021年8月29日星期日上午9时56分46秒09:56:4621.8.29
动词不定式的用法ppt经典实用
•2024/4/27
•动词不定式的用法ppt
• 想要去做某事
• 2. 计划去做某事want to do sth
• 3. 希望去做某事hope todo sth
4. 期待去做某事 expect to do sth
5. 决定去做某事 decide to do sth
6. 忘记去做某事 remember to do sth
her homework. 6. Let's try _t_o_f_i_n_is_h_(finish) the work on time.
动词不定式的用法ppt
语法训练 动词不定式做宾语补足语
1. She expects me t_o__w_a_i_t (wait) for her at 7:00. 2. The teacher asked us _t_o_b_e__ (be) quiet. 3. The old man wants his children _to__v_is_i_t_
语法训练 动词不定式做主语
1. It usually takes me over two hours _t_o_f_in_i_s_h_ (finish) my homework.
2. It was their dream _t_o_h_a_v_e_(have) a bridge. 3. It's your turn _to__c_le_a_n_(clean) the blackboard. 4. It's important for us _t_o_l_e_a_rn_(learn) English. {5. It's very kind of you _to__h_e_lp__(help) me a lot.} {6. It's time for me _t_o_g_o__(go) home.}
高考英语语法备考《动词不定式》ppt课件
• 4.作定语 • a.Manager,do you have anything to be typed ? • b.As a typist ,do you have anything to type now ? • c.I am free now .Do you have anything to type ? • d.Please give me an apple to eat . • e.They will make some candles to give light. • f.Have you anything to send？（自己寄） • g.Have you anything to be sent?( 别人寄）
3)名词是抽象名词，用不定式作定语 ，常见的有： ability,chance,idea,excuse， reply,belief,reason,attempt等。 a.He has the ability to read and write. b.I have no chance to go to college. 请大家自己想些例句。Who?
注意：不定式放句首时，逻辑主语与句子 主语要一致（常翻译成“为了”）
wrong：To save money, every means has been tried. right：To save money, he has tried every means.
②表结果：
• He arrived late to find the train gone. • 常用only放在不定式前表示强调： • eg.a.I visited him only to find him out. b. A few years later he came home only to find his home town changed. c.I hurried to the post office, only to find it was closed.
动词不定式课件
了解其语法特征和常见用法。
THANK YOU
并列连词后接动词不定式的情况
并列连词后接动词不定式的情况在英语中非 常常见，如：and, but, or, so等连词后都可 以接动词不定式。例如，“He and I are going to the park.”、“He is taller than me, but he can’t jump higher than me.”、“Do you want to go with me or stay at home?”等。
否定动词不定式
动词不定式的否定形式通常是在不定式符号"to"之前加"not"。
例如，"to eat"的否定形式是"not to eat"。
否定句中的动词不定式
在否定句中，动词不定式通常出现在 "not"之后，例如："I plan not to go"。
VS
但在一些否定表达中，如"never"， "no"，"none"，"neither"，"nor"， "can't"，"won't"，"shouldn't"， "mustn't"，等，动词不定式出现在 这些词之后。
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03
04
作主语
不定式可以作主语，例如To learn English is important.
作宾语
不定式可以作动词的宾语，例 如I want to go home.
作定语
不定式可以作名词或代词的定 语，例如The car to be repaired is mine.
THANK YOU
并列连词后接动词不定式的情况
并列连词后接动词不定式的情况在英语中非 常常见，如：and, but, or, so等连词后都可 以接动词不定式。例如，“He and I are going to the park.”、“He is taller than me, but he can’t jump higher than me.”、“Do you want to go with me or stay at home?”等。
否定动词不定式
动词不定式的否定形式通常是在不定式符号"to"之前加"not"。
例如，"to eat"的否定形式是"not to eat"。
否定句中的动词不定式
在否定句中，动词不定式通常出现在 "not"之后，例如："I plan not to go"。
VS
但在一些否定表达中，如"never"， "no"，"none"，"neither"，"nor"， "can't"，"won't"，"shouldn't"， "mustn't"，等，动词不定式出现在 这些词之后。
01
02
03
04
作主语
不定式可以作主语，例如To learn English is important.
作宾语
不定式可以作动词的宾语，例 如I want to go home.
作定语
不定式可以作名词或代词的定 语，例如The car to be repaired is mine.
动词不定式的用法PPT课件
• My job is to help the patient。我的工作是帮助病人
• 动词不定式（短语）作表语常用于系词be的后面。例：
• His work is to drive a car. 他的工作是开车。 • My job is to feed animals. 我的工作是饲养动物。 • Her ambition is to be a doctor. 她的理想是当医生。
•
I want you to go now. 我想让你现在就走。
•
Her parents wish her to be a teacher.她父母
亲希望她当老师。
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动词不定式做宾语补足语
• 2.省“to”的不定式作宾语补足语： • Let / make / have sb. do sth. • Let the boy go out now. 让那个男孩出去。 • The boy made the baby cry. 男孩弄哭了这个小
动词不定式做宾语
• *如果and连接两个动词不定式，第二个动词不定式一般省“to” 例：
• He wants to go and have a swim with us. 他想和我们一起去游泳
• 若作宾语的动词不定式（短语）带有宾语补足语，往往把不定式短 语放在宾补后，用it作形式宾语。句型为：主语+find（feel,think belive,consider,etc）+it+adj\n+to do sth。
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动词不定式做定语
• *动词不定式（短语）作定语修饰名词时，与其所修饰的词具 有一种动宾关系，如果不定式中的动词为不及物动词时，其后 应加上一个含义上所需要的介词。例：
• 动词不定式（短语）作表语常用于系词be的后面。例：
• His work is to drive a car. 他的工作是开车。 • My job is to feed animals. 我的工作是饲养动物。 • Her ambition is to be a doctor. 她的理想是当医生。
•
I want you to go now. 我想让你现在就走。
•
Her parents wish her to be a teacher.她父母
亲希望她当老师。
第16页/共33页
动词不定式做宾语补足语
• 2.省“to”的不定式作宾语补足语： • Let / make / have sb. do sth. • Let the boy go out now. 让那个男孩出去。 • The boy made the baby cry. 男孩弄哭了这个小
动词不定式做宾语
• *如果and连接两个动词不定式，第二个动词不定式一般省“to” 例：
• He wants to go and have a swim with us. 他想和我们一起去游泳
• 若作宾语的动词不定式（短语）带有宾语补足语，往往把不定式短 语放在宾补后，用it作形式宾语。句型为：主语+find（feel,think belive,consider,etc）+it+adj\n+to do sth。
第20页/共33页
动词不定式做定语
• *动词不定式（短语）作定语修饰名词时，与其所修饰的词具 有一种动宾关系，如果不定式中的动词为不及物动词时，其后 应加上一个含义上所需要的介词。例：
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3. Have you got any questions to ask?
I have no chair to sit on.
定语
Betty是第一个知道真相的人.
练 习
Betty was the first to know the truth. 没什么可担心的。
There is nothing to worry about.
不定式
1. He pretended to be reading attentively when
I came in.
( 宾语）
2. It is of great help for us to learn English well.
3. I didn’t expect Mary to invite me to her ( 主语）
Infinitive
动词不定式
.
知识梳理
形式 主动式
一般 式进行Leabharlann 式完成 式to do
to be doing to have done
被动式
to be done
/
to have been done
.
与谓语动作的关 系
动作发生在谓语 动作之后
与谓语动作同时 发生
动作发生在谓语 动作之前
Pick out the infinitives in the sentences and tell their functions.
birthday party.
( 宾补）
4. She listens to news every day so as to find
out what’s going on.
( 状语）
5. The car to be bought is for his sisters. ( 定语） 6. The important thing in life is to have a great
她的梦想是当一名设计师。
Her dream is _to__b._e_c_o_m__e__a_d__e_s_ig__n.er
不定式的用法
不定式在句中的作用
advise, allow, ask, beg, encourage, expect, forbid, force, get,
invite, order, persuade, permit, prefer, tell, want, warn, wish,
We watched them play football .
.
aim, and the determination to attain it.( 表语）
归 不定式可作主、宾、表、定、状、补语。起名词，形容词
纳 和副词的作用。
.
不定式的用法
不定式在句中的作用
It is + n/ adj. ( for/of sb.) to do
To tell him the truth is necessary.
2. I need to attend the meeting. 宾语
She wants to see the new movie.
他们决定周末去野餐。
练 They have _d_e_c_i_d_e_d_t_o__h_a_v_e_a__p_ic_n_i_c__at 习 the weekend.
他拒绝借给我自行车。
They _r_e_fu__s_e_d_t_o_l_e_n_d_me his bike.
.
不定式的用法
不定式在句中的作用
修饰抽象名词如：ability, answer, reply, chance, excuse, idea,
moment, reason, time , promise, attempt, way 等+to do(5+3P61)
see you again. 2. 他们那样做是不明智的。
It is unwise__o_f._th_e_m_t_o_d_o_l_ik_e_t_h_a_t __.
不定式的用法 不V定+式to在do句(中5+的3P作60用)
d决ec心ide学,/d会ete想rm希ine望, le,ar拒n, 绝wa设nt,法exp愿ec假t/ h装op.e/wish, refuse, ma学sak会n/baeg答ge,, 应hcaerl选pe/, ap计frfeo划tredn,,ds同,torifv意fee,r请,hparp求opme帮ins,e一w, ca帮hito, ot.hsree,aptelann, agree,
主语
To give up smoking is right.
It is necessary to tell him the truth.
It is right to give up smoking.
练 1. 再次见到你真高兴。 习 It’s nice/good / a great pleasure to
would like sb. to do (5+3P62)
5. I didn't expect Mary to invite me to her
birthday party.
宾补
你可以让你姐姐帮你一下。
练
习 You can ask your sister to help you .
我总是劝他戒烟。
I always advise him to give up smoking.
.
不定式的用法
注意
to 有些动词后面的不定式不带 ，如feel（一感）
hear,listen to（二听）make, have, let（三让） see, watch, notice, observe（四看）.
I heard them sing a pop song .
The teacher made me answer the question.
我没机会外出观光。
I have no chance to. go sightseeing.
不定式的用法
不定式在句中的作用
4. The best way to learn English
is to make friends with a native 表语
speaker.
我的目标是考入北大。
练 习
My goal is_to__b_e_a_d_m_it_te_d__to_B__ei_ji_n_g_U_n_iv_e.rsity