M5U1grammar不定式
语法规则-动词不定式
语法规则-动词不定式学习必备欢迎下载(一) 动词不定式做状语时表示目的和结果用法总结1. 作目的状语: I came here to see you. To stop the train, pull the lever downwards.目的状语还可以用如下表达法：肯定：to in order to+ 动词原形so as toI come to see her. = I come in order to see her. = I come so as to see her.that so that+ 主语 + may/might + 动词原形in order thatI come that I may see her. = I come in order that I may see her. = I come so that I may see her.否定： not to in order not to so as not to+ 动词原形that so that+ 主语 + may/might + not + 动词原形in order thatHe went away not to see me.= He went away in order not to see me.= He went away so as not to see me.= He went away in order that he might not see me.= He went away that he might not see me.= He went away so that he might not see me.in order to, in order that 和 so as to, so that 的区别 in order to 可以用在句首或句末，但 so as to 只能用在句末。
如：He got up very early in order to/so as to catch the first bus. In order to catch the first bus, he got up very early.（此时不能用so as to） so as to 和 in order to 的汉语意思应该是一样的“为的是，为了”。
江苏省射阳县第二中学高中英语必修五课件：M5U1 Grammar and usage
What I need most now is to have a good rest. 我现在最需要的是好好休息。
5. the to-infinitive used as the attribute 不定式作定语
The following words are usually followed by the to-infinitive as the object: want, hope, wish, like, begin, start, agree, learn, promise, teach, refuse, help, arrange, dare, decide, determine, fail, manage, offer, prepare, pretend, continue, ask, mean, expect, choose, prefer.
什么是动词不定式？
动词不定式是由to + 动词原形构成的, 例 如to do和to work。 动词不定式可以单独 使用或用作动词不定 式短语的一个部分。
I. To-infinitive
The to-infinitive can be used alone or as part of an infinitive phrase and the to-infinitive can serve as the subject, object, object complement, attribute, predicative or adverbial of a sentence.
eg. He managed to solve the problem by himself. 他自己设法解决了问题。
刘-M5U1-Grammar and usage 2
注意：动名词和不定式都可以作主语，动 名词作主语泛指一般的 抽象性的行为， 不定式作主语往往表示具体的将要发生的 行为 Saving money is a good habit, but to save money now is not easy.
2. Verb-ing form used as the object
I like swimming. He has finished writing the composition. He is fond of playing football.
要点1. We use a Verb-ing form after the following words: admit imagine delay consider mind avoid enjoy practise miss finish
3. ---You were brave enough to raise objections at the meeting. ---Well, now I regret ___ D that. A. to do B. to be doing C. to have done D. doing 4. 我想去，但是我父亲不肯让我去。
remember doing: 记得做过某事 Remember to post the letter for me on your way to work, OK? I remember seeing this man somewhere.
mean to do: 打算做某事 mean doing: 意味着做某事 I meant to come earlier today. Missing the train means waiting for another 在做的事 情而去做另一件事
M5U1grammar
M5 Unit1 Grammar (1)Learning aim:1. find out and learn the functions of To-infinitive in a sentence and its different forms.2. know how to use Bare infinitive.3. learn how to get along well with friends.Key points:1. make sure you master relevant knowledge.2. try to learn about the meaning of friendship and solve relevant problem in your life.Teaching methods: group work , discussion, exercises.Step 1 lead inTeacher reminds students of the letters that Agony Aunt Annie wrote to Sarah and Andrew.Q: What can we learn from her letters about friendship?Students express their ideas freely. We can concludes in this way:1. __________ to a friend openly and sincerely when something unpleasant happens is veryimportant if we are ___________ the friendship. ( talk,keep)2. We should always remind ourselves ___________ our friends whatever happens. (trust) Step 2 Different functions of To-infinitive1. Ss are asked to study the two letters on Page 5 again, this time trying to find out more To-infinitives in the letters and tell their functions in the sentences.(1) You have every right to feel betrayed … (as _____________ )(2) …she wan ted to embarrass you in public, … (as ____________ )(3) It seems you need to apologize quickly to avoid losing a good friend! (as _______________and ___________ respectively)(4) …,one of you has to be first to admit … (as ______________________ and ____________ respectively)2. With the guidance of T, Ss try to conclude all the functions of To-infinitive:动词不定式由“ to+ 动词原形”构成，其否定形式是“ ________________ ”。
英语精品 人教选择性必修三 Unit 1 Grammar——不定式作表语
Section ⅢGrammar——不定式作表语一、动词不定式作表语的概念和用法动词不定式是非谓语动词的一种，可以放在系动词be之后作表语，通常说明或解释主语的内容，也可表示将来的动作。
[合作探究]阅读下列句子，体会动词不定式的用法。
Your work is to finish a report this morning.你今天上午的工作是完成一份报告。
His dream is to be a doctor after he grows up.他的梦想是长大后当一名医生。
First of all，the most important thing is to conquer yourself.首先，最重要的事情是战胜自己。
Always keep it in mind that your main task is to get this company running smoothly.一定要铭记你的主要任务是让这个公司平稳地运转。
Maybe Lippi himself cannot answer this question，so the only thing he can do is (to) resign.也许里皮也无法回答这个问题，因此他最终只能选择辞职。
What the plan does is (to) ensure a fair pension for all.这个计划要贯彻的就是保证大家都有一份合理的退休金。
[自主发现]动词不定式是非谓语动词的一种，可以放在系动词be之后作表语，通常说明或解释主语的内容，也可表示将来的动作。
二、与动名词作表语的区别不定式作表语时，表示具体的或将要发生的动作。
当主语是aim，duty，purpose，dream，goal，hope，idea，plan，suggestion等为中心词的名词词组或以what引导的名词性分句时，不定式说明主语的内容，这时主语和表语交换位置，意思不变。
语法规则-动词不定式
(一)动词不定式做状语时表示目的和结果用法总结1.作目的状语:I came here to see you.To stop the train, pull the lever downwards.目的状语还可以用如下表达法：肯定：toin order to + 动词原形so as toI come to see her. = I come in order to see her. = I come so as to see her.thatso that + 主语+ may/might + 动词原形in order thatI come that I may see her. = I come in order that I may see her. = I come so that I may see her.否定：not toin order not to + 动词原形so as not tothatso that + 主语+ may/might + not + 动词原形in order thatHe went away not to see me.= He went away in order not to see me.= He went away so as not to see me.= He went away in order that he might not see me.= He went away that he might not see me.= He went away so that he might not see me.in order to, in order that和so as to, so that的区别in order to可以用在句首或句末，但so as to只能用在句末。
如：He got up very early in order to/so as to catch the first bus.In order to catch the first bus, he got up very early.（此时不能用so as to）so as to 和in order to的汉语意思应该是一样的“为的是，为了”。
M5U1 Period 5 Word Power
M5U1 Period 5 Word Power &Grammar and usage 1自主学习：描绘个性特色的形容词：Positive：善良的_______ generous______ reliable_________ 乐于助人的________ cheerful________ hard-working________warm-hearted__________ 友好的_________open-minded______ ______诚实的礼貌的_______ strong-minded_________ Negative: jealous_________ 自私的____________ 残酷的，残忍的__________ bad-tempered_________ dishonest_________ stubborn___________lazy________ boring_________ 没礼貌的_____________合作探究：动词不定式&动名词A．构成形式：动词不定式是由“to + 动词原形”构成；动名词由动词+ing构成。
主动式有：一般式、进行式、完成式和完成进行式；被动式有：一般式、进行式和完成式。
B．动词不定式、动名词用法要点讲解一．做主语⒈不定式作主语动词不定式作主语时，句子的谓语动词常用_____数，其位置有以下两种：(1)把不定式置于句首。
如：To get there by bike will take us half an hour.____________________________________(2)用it作形式主语，把真正的主语不定式置于句后，常用于下列句式中。
如：① It＋be＋名词＋to do__________________________________________________照顾老人是我们的责任。
② It takes sb. + some time + to doHow long did it take you to finish the work? _____________________________________________③ It＋be＋形容词＋for sb.＋to doIt is difficult _______ us_____ finish writing the composition in a quarter of an hour.④ It＋be＋形容词＋of sb.＋to doIt is stupid_____you_____write down everything the teacher says.⑤ It seems(appears)＋形容词＋to do____________________________________________ 节约用钱看起来不太可能。
M5U1_grammar( to-infinitive)》
•Afterwards, I pretended to be cheerful, ... (Line12)
•We went to wash our hands ... (Line13) •I begged her not to tell anyone else, ...(Line14)
Find out the sentences with "to infinitive" in "Secrets and lies" (Para.1-Para.3)
•... we are very academic and like to study, ... (Line4) •... I was sure to get a good grade. (Line9)
(Line11)
•Afterwards, I pretended to be cheerful, ... (Line12)
•We went to wash our hands ... (Line13)
Find out the sentences with "to infinitive" in "Secrets and lies" (Para.1-Para.3)
基本形式：
•Afterwards, I pretended to be cheerful, ... (Line12)
•We went to wash our hands ... (Line13)
•I begged her not to tell anyone else, ...(Line14)
What's the form of "to infinitive"?