高中英语动词不定式的用法---完整版课件
合集下载
动词不定式的用法归纳通用课件
填空 题
考察语法结构
设计一系列填空题，要求学习者根据上下文语境，填入合适的动词不定式形式，旨在检验学习者对动 词不定式在句子中语法的掌握程度。
翻译题
提升实际应用能力
选取一些英文句子，要求学习者将其中的动词不定式进行 准确翻译，培养学习者在实际语境中运用动词不定式的语 言表达能力。
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示例
The book is said to be out of print. （据说这本书已经绝版了）。
作状语的用法
总结词
不定式短语可以作为状语，表示行为发生的时间、原因、条件、目的等。
详细描述
不定式短语作为状语时，通常放在句子的开头或结尾，表示该行为发生的时间、原因、条件、目的等。例如，“To save money, we should shop around for good deals.”（为了省钱，我们应该四处寻找好的交易）。
这种情况下，动词不定式表示的是一种情感或感受，而不是具体的某个实体或动 作。
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作主语的用法
总结词 不定式短语作主语时，通常放在句子的开头，表示一种抽 象、概括的概念或行为。
详细描述 不定式短语作主语时，通常表示一种行为或动作的概念， 而不是具体的事件或实体。例如，“To study is to learn.”（学习就是求知）。
学习方法
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理论学习
通过阅读教材和课件，了解动 词不定式的相关概念和规则
实践练习
通过大量的练习题和实际语境 中的句子，加深对动词不定式
的理解和运用
归纳总结
对所学内容进行归纳总结，形 成自己的知识体系
交流讨论
与其他学习者交流讨论，分享 学习心得和经验，共同进步
动词不定式用法课件
三、单项选择
11. It was dark outside. Sue decided ___C_____to the bank alone.
A．not going
B．going not
C．not to go
D．to not go
12．Paul made a nice cage____D____ the little sick bird till it could fly.
03 语法集训
考点一：常见的跟不定式作宾语的动词有want，agree，decide等。
顺口溜： 想要 拒绝 忘记(want，refuse，forget)， 需要 努力 学习(need，try，learn)， 喜欢 同意 帮助(like，agree，help)， 希望 决定 开始(hope，wish，decide，begin，start)。
03 语法集训
too...to... 结构与．..enough to... 结构： too...to... 结构意为“太……而不能……”。 Eg: The maths problem is too difficult for us to work out. ...enough to... 结构意为“足够……以至于能……”。 eg：The hall is big enough to hold 500 students.
03 语法集训
一、根据句意及所给汉语提示完成句子 1．He was too excited______________(说不出话来)． 2. It's a bad manner____________ (嘲笑)people in trouble. 3．My idea is _________________(开始工作)right now. 4．You must be hungry. I'll get you something_______(吃)． 5．Jackie Chan advised us_____________________(参加)
高中英语非谓语动词(共32张PPT)
除了but,except,besides 之外个别介词可以用“连接代词 （副词）+动词不定式”作为宾语。 the boy has his own idea of how to finish it.
为了避免重复，作为宾语的不定式第二次出现的时候往 往省略只留下不定式符号。
动词： want wish hope hate plan try love you can try that again if you want to.
不定式做形容词的用法 (3)作定语（位于他所修饰的词的后面，并 且放在其他后置定语的后面）
动宾关系：
He always has a lot of meetings to attend. To attend 的逻辑宾语the meeting To attend 是定语 不定式做定语的时候，他所修饰的名词和不定式构成动宾 关系或者主谓关系. 1. 名词或者代词+不定式（to+不及物动词+介词） 如果做定语用的不定式是不及物动词，就要在这个不及物 动词后面加上介词，是被修饰的词成为这个介词的逻辑宾 语
他可以带有自己的主语(为了和句子的真正主语区分开来， ： 我们称它为不定式的逻辑主语）
For him to draw such a picture is not easy.(主 语）for him 是不定式的逻辑主语，句子的真正主语是整个不定式短语。
不定式做名词的用法：
动词 不定式是指在动词原形前面带有不定式符号’to”的形式，与介
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过去分词
为了避免重复，作为宾语的不定式第二次出现的时候往 往省略只留下不定式符号。
动词： want wish hope hate plan try love you can try that again if you want to.
不定式做形容词的用法 (3)作定语（位于他所修饰的词的后面，并 且放在其他后置定语的后面）
动宾关系：
He always has a lot of meetings to attend. To attend 的逻辑宾语the meeting To attend 是定语 不定式做定语的时候，他所修饰的名词和不定式构成动宾 关系或者主谓关系. 1. 名词或者代词+不定式（to+不及物动词+介词） 如果做定语用的不定式是不及物动词，就要在这个不及物 动词后面加上介词，是被修饰的词成为这个介词的逻辑宾 语
他可以带有自己的主语(为了和句子的真正主语区分开来， ： 我们称它为不定式的逻辑主语）
For him to draw such a picture is not easy.(主 语）for him 是不定式的逻辑主语，句子的真正主语是整个不定式短语。
不定式做名词的用法：
动词 不定式是指在动词原形前面带有不定式符号’to”的形式，与介
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Unit4SpaceExploration动词不定式作定语和状语课件-高中英语人教版
➢ The Browns have a comfortable house to live in. ➢ Here is some paper for you to write on.
特别提醒
2. 当动词不定式与被修饰的词有动宾关系, 且和句中的主语构成逻辑上的 主谓关系时, 该不定式通常用主动形式表示被动意义; 如果没有逻辑上的 主谓关系且不确定逻辑主语是谁是, 则不定式应使用被动形式。
Unit 4 Discovering Useful Structures
-动词不定式作定语和状语
观察下面句子并分析划线部分在句中所作的成分。
• To live abroad is not easy. • She planned to visit her parents next week. • The question is how to get there. • The first person to come is Mr. Brown. • He went to France to learn French. • His father encouraged him to find a new job.
主语 宾语 表语 定语 状语 宾补
一、动词不定式
动词不定式是非谓语动词的一种, 没有人称和数的变化, 在句中不能 独立作谓语。
动词不定式既有名词、形容词和副词的某些语法功能, 又有动词的 时态和语态的特点及作用, 在句中可以作主语、宾语、表语、宾语补足语、 定语和状语。
动词不定式的结构
基本结构: “ to + 动词原形”, to是不定式标志, 无意义, 有时不定式符号to可省略。 否定形式: not to + 动词原形
➢ She is proud to have won the first place. ➢ He is glad to be invited to the meeting. ➢ We were astonished to find the temple still in its original condition.
特别提醒
2. 当动词不定式与被修饰的词有动宾关系, 且和句中的主语构成逻辑上的 主谓关系时, 该不定式通常用主动形式表示被动意义; 如果没有逻辑上的 主谓关系且不确定逻辑主语是谁是, 则不定式应使用被动形式。
Unit 4 Discovering Useful Structures
-动词不定式作定语和状语
观察下面句子并分析划线部分在句中所作的成分。
• To live abroad is not easy. • She planned to visit her parents next week. • The question is how to get there. • The first person to come is Mr. Brown. • He went to France to learn French. • His father encouraged him to find a new job.
主语 宾语 表语 定语 状语 宾补
一、动词不定式
动词不定式是非谓语动词的一种, 没有人称和数的变化, 在句中不能 独立作谓语。
动词不定式既有名词、形容词和副词的某些语法功能, 又有动词的 时态和语态的特点及作用, 在句中可以作主语、宾语、表语、宾语补足语、 定语和状语。
动词不定式的结构
基本结构: “ to + 动词原形”, to是不定式标志, 无意义, 有时不定式符号to可省略。 否定形式: not to + 动词原形
➢ She is proud to have won the first place. ➢ He is glad to be invited to the meeting. ➢ We were astonished to find the temple still in its original condition.
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：
上教版2020高中英语必修第三册Unit3 The way we are 单元语法课件(不定式用法)
e.g. It took me an hour to do my homework yesterday evening. 昨天晚上我做作业用了一个小时。 It will take us a lot of money _t_o_b_u_y__th_a_t__h_o_u_s_e___ . 买那套房子要花费我们很多钱。
不定式作主语
3. 当主语较长，谓语较短时，常用it作形式主语放在句首，而将真 正的主语—不定式放到谓语的后面。 e.g. It’s not easy to work out the problem. = To work out the problem is not easy. 计算出这道题不容易。 It is interesting t_o_p__la_y__w_i_th__s_n_o_w__in__w_i_n_t_e.r冬季里玩雪是很有趣的。 It is terrible _t_o_s_e_e_t_h_e_s_h_i_p_s_i_n_k_in_g__i_n_to__th__e_s_e_a_. 目睹轮船沉入大 海，真是太可怕了。
e.g. It’s important for us to keep the water clean. 保持水质清洁对我们来说是很重要的。
不定式作主语
2) It is＋adj.＋of sb.＋to do sth.
形容词用来表示不定式的逻辑主语(sb.)的性质、特征或品德
常见的此类形容词有： kind, nice, wise, silly, polite, impolite, friendly, foolish, clever等。 e.g. It is friendly of the family to try to make me feel at home 这家人对我很友好，使我感到宾至如归。
不定式作主语
3. 当主语较长，谓语较短时，常用it作形式主语放在句首，而将真 正的主语—不定式放到谓语的后面。 e.g. It’s not easy to work out the problem. = To work out the problem is not easy. 计算出这道题不容易。 It is interesting t_o_p__la_y__w_i_th__s_n_o_w__in__w_i_n_t_e.r冬季里玩雪是很有趣的。 It is terrible _t_o_s_e_e_t_h_e_s_h_i_p_s_i_n_k_in_g__i_n_to__th__e_s_e_a_. 目睹轮船沉入大 海，真是太可怕了。
e.g. It’s important for us to keep the water clean. 保持水质清洁对我们来说是很重要的。
不定式作主语
2) It is＋adj.＋of sb.＋to do sth.
形容词用来表示不定式的逻辑主语(sb.)的性质、特征或品德
常见的此类形容词有： kind, nice, wise, silly, polite, impolite, friendly, foolish, clever等。 e.g. It is friendly of the family to try to make me feel at home 这家人对我很友好，使我感到宾至如归。
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.
高中非谓语动词不定式课件(共144张PPT)
由此可见，连词在决定句子结构以及谓语动词和非谓语 动词的使用中起着关键的作用。
非谓语动词使用条件
一个句子当中，已经存在一个主句（谓语动词）,又没有 连词的情况下, 还有别的动词出现时。
opened (open) the door 1. The man took out the key, _________ and entered the room. reading (read) a book. 2. The man sat there, _________ Work (work) hard, and you will succeed. 3. _______ discussed (discuss) at the meeting 4. The question ___________ yesterday is of great importance. To improve 5. ___________(improve) his spoken English, Mr. Zhang goes to the English corner every Saturday.
非 谓 语 动 词
动词不定式 （to do）
动名词 (doing) 分词
现在分词 (doing) 过去分词 (done)
非谓语 动词 不定式 动名词 现在分词 过去分词
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英语一句话中只能有一个主谓结构 如果出现更多动词： • 加连词（and / but / so…） • 放入从句 • 变为非谓语动词
3. 强调 不定式的动作在谓语动词之前发生时， 用不定式完成式 to have written He is said _________________ (write) a novel last year.
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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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。
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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.
高中英语选修1(外研版)2-2动词不定式作宾语与动词 ing形式作宾语 教学课件
3．going to the city, losing the good opportunity是-ing形式作宾 语。
[语法精释] 一、常接动词不定式作宾语的动词
1．agree, afford, offer, intend, plan, demand, promise, help,
prepare, decide, refuse, choose, wish/hope/want/expect, fail, pretend, manage, determine, beg, arrange, threaten, claim, aim, hesitate, seem, happen等动词后常接动词不定式作宾语。
I like reading, but I don't like to read today. 我喜欢读书，但今天不想读。 2．begin, start, continue等少数几个动词后接动词不定式或动 词-ing形式作宾语时意义差别不大。
Tom began learning/to learn how to use a computer. 汤姆开始学习如何使用电脑。
①I plan to finish the novel. 我计划完成那部小说。(to finish the novel在句中作宾语) ②He pretended to be sleeping when I came in. 我进去的时候，他假装在睡觉。(to be sleeping在句中作宾语)
[即学即练1] 语法填空
I began to understand what had happened. 我开始明白发生了什么。
五、动词不定式与动词-ing形式作宾语的其他用法 在need, require, want(表“需要”)等动词的后面可接动词-ing 形式作宾语(用主动形式表示被动含义)，也可接动词不定式的被动 式作宾语。
[语法精释] 一、常接动词不定式作宾语的动词
1．agree, afford, offer, intend, plan, demand, promise, help,
prepare, decide, refuse, choose, wish/hope/want/expect, fail, pretend, manage, determine, beg, arrange, threaten, claim, aim, hesitate, seem, happen等动词后常接动词不定式作宾语。
I like reading, but I don't like to read today. 我喜欢读书，但今天不想读。 2．begin, start, continue等少数几个动词后接动词不定式或动 词-ing形式作宾语时意义差别不大。
Tom began learning/to learn how to use a computer. 汤姆开始学习如何使用电脑。
①I plan to finish the novel. 我计划完成那部小说。(to finish the novel在句中作宾语) ②He pretended to be sleeping when I came in. 我进去的时候，他假装在睡觉。(to be sleeping在句中作宾语)
[即学即练1] 语法填空
I began to understand what had happened. 我开始明白发生了什么。
五、动词不定式与动词-ing形式作宾语的其他用法 在need, require, want(表“需要”)等动词的后面可接动词-ing 形式作宾语(用主动形式表示被动含义)，也可接动词不定式的被动 式作宾语。
Unit 3 动词不定式作定语和结果状语课件-高中英语外研版(2019)必修第二册
【回忆】人教版九年级Unit 1 Section B
◆I don’t have a partner to practice English _w_i_t_h__.
不定式与其所修饰的词构成逻辑上的被动关系，而该不 定式为不及物动词时,其后须加上适当的介词。 再如：
1. I am looking for a room to live _i_n______. 2. They have nothing to worry _a_b_o__u_t_. 3. Give me a pen to write __w_i_t_h__.
3. Reading satisfies my desire _t_o__ke__e_p_(keep) learning. 4. Are you going to attend the meeting _t_o_b__e_h_e_l_d___
(hold) next month? 5. After all，not everyone has realized that wildlife has
4. His parents died, __le_a_v_in_g__(leave) him an orphan.
5. Unlike traditional gyms, app-backed gyms offer people flexible options __to__e_xe_r_c_is_e____(exercise).
【比较】 ◆Do you have anything to send?
你有什么东西要寄吗?
(不定式 to send 的动作执行者是“你”)
◆Do you have anything to be sent? 你有什么要(我或别人)寄的东西吗?
高中英语语法 不定式的用法课件(共20张)
We found it difficult to work with him. He always has a lot of meetings to attend. He is looking for a room to live in. I study hard to serve the people well. In order not to be late she took a bus.
不定式作表语时一般紧跟在系动词be, seem, remain, appear, get等后面，用来 说明主语的内容。 常见的主语有：one’s dream, business, wish, idea, plan, job, work, task, duty, what one wants to do… My wish is to be a doctor. My chief purpose is to point out the difficulties of the matter.
为了避免重复，作宾语的不定式第二次 出现时往往省略，只保留不定式符号。 1. 在want, wish, hope, like, hate, plan, try, love 等词后. You can try it again if you want to.
The teacher told us not to be so noisy in the class. I expect you to give me some help in the experiment. Father will not allow us to play on the street. We believe him to be guilty.
常见带形式主语it的句型： 1. It is easy ( difficult, important, possible, necessary, good, kind, wise, foolish…) to do sth. 2. It is a pleasure (pity, crime, an honor…) to do sth. 3. It takes (sb.) some time to do sth.
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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：
All we have to do is push the button.
The only thing I can do now is go on by myself.
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，表语用不定 式说明其内容，如：
My idea is to climb the mountain from the north. My suggestion is to start work at once.
remember doing sth.记得做过某事
I remember reading the story in some book. Remember to post the letter for me when you go to the post office.Βιβλιοθήκη 动词不定式作宾语应注意的问题
2. 如果不定式作宾语而后面又有一个 宾语补足语，这时要用it作形式宾语 而把这个动词不定式放到补语后。
forget to do sth. 忘了去做某事
forget doing sth.忘了做过某事
I forget telling her about it I forget to bring the purse with me when I left home this morning.
remember to do sth.记住去做某事
All I could do was send him a telegram.
5.动词不定式作宾补 常跟动词不定式作宾补的动词有： （1）可接带to的不定式作宾补的动 词有：
ask, get, allow, forbid, prefer, force, inspire, advise, cause, tell, order, warn, teach, permit, wish, invite, encourage等
复合结构：
1)for sb. to do sth 2) (It is +性格adj+)of sb. to do sth 性格adj：nice, kind, cruel, thoughtful, careful, careless… It is very important for us to learn
English.
It is difficult for him to finish the
task in such a short time. It is very nice of you to help me.
2. 动词不定式作宾语 动词不定式作宾语常用于下列动词后：
want, agree, decide, manage, wish, hope, ask, like, love , choose, promise, continue, plan, learn, expect, offer, prepare, refuse, pretend, attempt, intend, threaten, seek, hesitate, long, desire, fail等 等。
动词不定式作宾语应注意的问题 1.有些动词后跟动词不定式和动名词 作宾语意义截然不同
try, go on, stop, mean, regret, remember, forget等
try to do sth. 尽力去做某事 try doing sth. 试一试，试试看 Try knocking at the back door if nobody hears you at the front door.
How to get enough money is still a question.
1. 动词不定式作主语
有时候为了保持句子平衡，常用it 作形式主语，放到句首，而将作真 实主语的动词不定式放到句末。
It will take a whole day to get there by car.
It is impossible for me to finish the work in a week.
Try to get there on time.
mean to do sth.打算做某事
mean doing sth.意味着做某事
I won’t wait if it means delaying a week. I meant to help you, but I was busy at that moment.
We have much homework to do everyday.
4.动词不定式作表语
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.
高中英语动词不定式的用法---完整版课件
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. 巩固练习
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.
I feel it my duty to help you.
I once thought it impossible for us to finish the job in such a limited time.
3.动词不定式作定语
动词不定式作定语，它与所修饰的名 词或代词可能是主谓关系，也可能是 动宾关系。如果是动宾关系，不定式 主动表示被动。 He was the last one to leave school yesterday.
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.
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，表语用不定 式说明其内容，如：
My idea is to climb the mountain from the north. My suggestion is to start work at once.
remember doing sth.记得做过某事
I remember reading the story in some book. Remember to post the letter for me when you go to the post office.Βιβλιοθήκη 动词不定式作宾语应注意的问题
2. 如果不定式作宾语而后面又有一个 宾语补足语，这时要用it作形式宾语 而把这个动词不定式放到补语后。
forget to do sth. 忘了去做某事
forget doing sth.忘了做过某事
I forget telling her about it I forget to bring the purse with me when I left home this morning.
remember to do sth.记住去做某事
All I could do was send him a telegram.
5.动词不定式作宾补 常跟动词不定式作宾补的动词有： （1）可接带to的不定式作宾补的动 词有：
ask, get, allow, forbid, prefer, force, inspire, advise, cause, tell, order, warn, teach, permit, wish, invite, encourage等
复合结构：
1)for sb. to do sth 2) (It is +性格adj+)of sb. to do sth 性格adj：nice, kind, cruel, thoughtful, careful, careless… It is very important for us to learn
English.
It is difficult for him to finish the
task in such a short time. It is very nice of you to help me.
2. 动词不定式作宾语 动词不定式作宾语常用于下列动词后：
want, agree, decide, manage, wish, hope, ask, like, love , choose, promise, continue, plan, learn, expect, offer, prepare, refuse, pretend, attempt, intend, threaten, seek, hesitate, long, desire, fail等 等。
动词不定式作宾语应注意的问题 1.有些动词后跟动词不定式和动名词 作宾语意义截然不同
try, go on, stop, mean, regret, remember, forget等
try to do sth. 尽力去做某事 try doing sth. 试一试，试试看 Try knocking at the back door if nobody hears you at the front door.
How to get enough money is still a question.
1. 动词不定式作主语
有时候为了保持句子平衡，常用it 作形式主语，放到句首，而将作真 实主语的动词不定式放到句末。
It will take a whole day to get there by car.
It is impossible for me to finish the work in a week.
Try to get there on time.
mean to do sth.打算做某事
mean doing sth.意味着做某事
I won’t wait if it means delaying a week. I meant to help you, but I was busy at that moment.
We have much homework to do everyday.
4.动词不定式作表语
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.
高中英语动词不定式的用法---完整版课件
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. 巩固练习
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.
I feel it my duty to help you.
I once thought it impossible for us to finish the job in such a limited time.
3.动词不定式作定语
动词不定式作定语，它与所修饰的名 词或代词可能是主谓关系，也可能是 动宾关系。如果是动宾关系，不定式 主动表示被动。 He was the last one to leave school yesterday.