Unit 9 第3课时 Section A Grammar Focus-4c（课件）英语鲁教版五四学制九年级全一册

该初中英语课件聚焦动词不定式的多种功能及核心句型，通过Lead-in环节引导学生观察红色标注的例句，识别不定式作主语、宾语、宾补和目的状语的用法，逐步归纳“to+动词原形”结构，搭建从具体实例到抽象语法的学习支架。 其亮点在于融合语言能力、思维品质和文化意识培养，通过例句对比（如stop to do/doing区别）、填空造句及课后活动对话任务，让学生在运用中掌握语法，同时渗透健康、习惯等话题。采用归纳法和任务型教学，学生能提升语言运用与逻辑表达能力，教师可借助系统的语法梳理和分层练习提高教学效率。

Unit 9 It’s important to have good habits. Section A (Grammar Focus-4c) Lead-in Summary Presentation Exercises Production Homework 1 5 Contents Contents 2 3 6 7 01 02 03 04 语言能力 思维品质 文化意识 学习能力 能识别并理解动词不定式在句子中的多种功能；能正确运用“It's + adjective + (for sb) + to do sth”等核心句型进行表达。 在语法学习中渗透习惯、健康、社交等话题，让学生在运用语法的同时，强化对良好行为和生活方式的认知。 能运用目标语言谈论行为习惯的重要性。在对话活动中，训练语言组织的逻辑性。 通过观察、归纳、总结等方法，梳理概括语言结构及其语法形式，形成语法意识。学会表达It’s adj +for sb + (not) to do sth句型，灵活运用动词不定时。 Language goals Lead-in Part 01 lead-in Observe the following sentences and pay attention to the red words. It’s impossible to eat just one potato chip. I want to sleep for five more minutes, but my mom doesn't agree. 不定式作主语 不定式作宾语 lead-in This is the “to + verb” structure. Let's learn how to use it today. My mother asked me to turn off the TV after 10 p.m. I'm saving my pocket money to buy the latest smartphone. 不定式作宾补 不定式作目的状语 Observe the following sentences and pay attention to the red words. Presentation Part 02 Please underline the infinitive structures. It’s important to talk problems over with someone . It’s important not to play computer games too much . In order to be healthy , teenagers need to get enough sleep . She is too young to make her own decisions . Tell them not to meet strangers . Grammar Focus 作主语 作目的状语 作结果状语 作宾补 “to+do”结构， 有时to可省略。 动词不定式是_________(非谓语/谓语)动词的一种，它_______(没有/有)人称和数的变化， 在句中________(不能/能)直接作谓语。 动词不定式 定义 其基本形式是“_____________”， 常写作to do(有时to可以省略)。 其否定式是_________________. 构成 02 Grammar Focus to+动词原形 直接在to之前加not. not to do 非谓语 没有 不能 用法 动词不定式具有名词、形容词和副词的特征，因此可在句中作主语、宾语、宾语补足语、定语、表语和状语等。 Grammar Focus 动词不定式 主语 宾语 宾语补足语 状语 表语 定语 1. 作主语 作 主 语 常见用法： 常用it代替不定式作形式主语。 结构为：It+be+adj.+(for/of sb.)+动词不定式。 To learn English well is very important. =It’s very important to learn English well. 注意： 在kind，good，nice，clever等表示人品质的形容词后， 不用for而用of。 It’s very kind of you to help me. 你帮助我真是太好啦。 It’s very clever of you to do like that. 你那样做真是太聪明啦。 位于句首，谓语动词用单数形式。 To speak English well isn’t an easy job. Grammar Focus 动词不定式 2. 作宾语 作 宾 语 带to do不定式作宾语的动词有: hope plan expect want happen learn like begin start try wish prepare agree choose decide remember forget +to do 一些谓语动词后只能用不定式作宾语，常见的这类词是表示命令、打算或希望的。 would like，like，want，wish，hope，decide，plan，expect等 Would you like to see a film this evening? 你今晚想去看一场电影吗? 常见的一些不带to的动词不定式： why not do...，why don’t you do...，had better(not) do...，would rather do，could/would/will you please(not) do... I would rather stay in the room．我宁愿待在房间里。 注意： 在find，think后跟不定式作宾语时，常用it代替，而将真正的宾语放在句末。 I find it easy to read English every day. 我发现每天读英语很容易。 Grammar Focus 接动词不定式作宾语的常见动词 expect decide learn e.g. She asked to talk with the headteacher directly. e.g. The boss agreed to let me go early. e.g. The students learn to be more careful. e.g. We choose to go there by bus. e.g. They expect to meet each other earlier. e.g. I decide to study harder next term. ask choose agree 要求、选择和同意 期望、决定和学习 Grammar Focus hope wish want would like e.g. I prefer to stay at home on rainy days. e.g. The man pretended to be hard-working. e.g. We plan to watch news tonight. e.g. She hoped to win in the singing competition. e.g. I wish to speak to the manager. e.g. The students want to have a rest. e.g. He would like to leave quickly. prefer pretend plan 宁可、假装和计划 希望、想要和愿意 Grammar Focus 接动词不定式作宾语的常见动词 stop to do sth. 停下来去做某事 Let’s stop to help the old man. 我们停下来帮助这位老人吧。 stop doing sth. 停止做某事 The bell rang and the students stopped talking. 铃响了，学生们停止了交谈。 remember to do sth. 记得要做某事 Please remember to post the letters. 请记得寄这几封信。 remember doing sth. 记得做过某事 I remember posting your letters. 我记得寄出了你的信。 forget to do sth. 忘记要做某事 I forgot to go to the post office. 我忘了去邮局。 forget doing sth. 记忆做过某事 I forgot going to the post office. 我忘了去过邮局了。 try to do sth. 设法（努力）做某事 Try to be nice to him. 要尽量对他友好。 try doing sth. 试着做某事 Try being nice to him. 试着对他友好。 mean to do sth. 打算做某事 What do you mean to do? 你打算做什么？ mean doing sth. 意味着做某事 His words mean refusing us .他的话意味着拒绝我们。 Grammar Focus 有些动词既可接动词不定式作宾语，也可接动词-ing作宾语， 但两者的意思大不相同。 15 3. 作宾语 补足语 作 宾语 补足语 动词不定式作宾语补足语，表示宾语所做的动作。 Lucy asked him to turn down the radio. 露西让他将收音机的音量调低。 带to的不定式作宾语补足语： tell，ask，want，allow，get，would like，encourage. My mother encourages me to learn Japanese.我母亲鼓励我学日语。 不带to的不定式作宾语补足语：使役动词和感官动词。 一感(feel)、一帮(help)、二听(hear，listen to)、三让(let，make，have)、四看(look at，see，watch，notice) The boss made them work the whole night. 老板让他们工作了一整夜。 【注意】help后面的动词不定式可加to，也可不加to。 Could you help me (to) carry the box? Grammar Focus 动词不定式 4. 作表语 作 表语 常用于系动词be之后： Our plan is to set up another middle school for the children. 不定式作表语表示具体动作或将来动作。 My chief purpose is to point out the difficulties of the matter. My goal in the term is to improve my English. 5. 作定语 作 定语 (2)如果是不及物动词，后面的介词不能省略。 There is nothing to worry about. 没有什么可担心的。 (1)常用来修饰名词或不定代词, 放于所修饰的词后, 作后置定语。 The best time to plant trees is spring. I have much homework to do. I want to have something to eat. Grammar Focus 动词不定式 6. 作状语 作 状语 （2）作结果状语。 He woke up only to find everybody gone. 他醒来时才发现所有的人都走了。 He is old enough to go to school. 他年龄足够大了，可以去上学了。 （1）作目的状语。 强调动词不定式所表示的目的时，可用in order to或so as to +动词原形， He stopped to have a rest. 他停下来休息。 The bus stopped so as to pick up passengers. 公共汽车停下来以便接乘客。 （3）作原因状语。用在某些表示喜、怒、哀、乐等形容词后。 I’m proud to have taken part in the competitions. 很荣幸参加了这些竞赛。 I’m happy to have found many things I can do. 很高兴找到了很多我能做的事。 动词不定式 Grammar Focus Attention 特殊结构 例句 too…to结构 She was too surprised to see how angry her father was. 疑问词 +不定式 作主语 How to solve the problem is very important. 作宾语 He didn’t know what to say. 作表语 The question is where to find the water. for+名词（代词宾格） +不定式 It is necessary for us to learn from each other. of+名词（代词宾格） +不定式 It is very kind of you to help me with my English. 动词不定式 Grammar Focus Production Part 03 1.It's too cold for people                                        in winter. 2.The purpose of new technology is to make life easier,                   it more difficult. 3.It's necessary for the old                             every day. 4.                              his grandparents happy,Tom visits them every week. 5.Teenagers want                             some time for themselves on weekends. 6.You can always ask your boss                               you too much pressure. Read quickly and answer the following questions. to go swimming 4a to exercise not to give not to make to have to go swimming to make not to make to exercise To make to have not to give e.g.eat junk food/it/important/kids It's important for kids not to eat junk food. 1.necessary/exercise more/the teenagers/it ________________________________________________________ 2.decide/the boy/such loud music/listen ________________________________________________________ Write sentences using the words given. 4b The boy decided not to listen to such loud music. It’s necessary for the teenagers to exercise more. 3.him/the good news/tell/remember ________________________________________________________ 4.Jane’s friend/lose weight/every morning/run ________________________________________________________ 5.a little kid/not easy/the math problem/it/work out ________________________________________________________ Write sentences using the words given. 4b Remember to tell him the good news. Jane’s friend runs every morning to lose weight. It’s not easy for a little kid to work out the math problem. What do you often do after school?Do you think those activities areimportant? Make a conversation according to the example. 4c watch TV play sports study hard get enough sleep ... A:Do you think it's important to watch TV? B:Yes,I think we can learn a lot on TV. C:But too much TV.. Do you think it's important to play sports after school? You can talk like this： You can talk like this： Yes, I do. I think it's necessary for us to relax and stay healthy. I agree. But it's also important not to play for too long, because we need to save some energy for homework. Summary Part 04 动词 不定式 want, refuse, forget; need, try, learn; choose, agree, help; hope/wish/expect, decide, begin/start 形式：to+动词原形(to有时省略)，否定：not to+动词原形 没有人称和数的变化，在句中不能作谓语 概述 用法 作宾语 谓语动词用单数 ask, tell, want, teach, wish, help, warn, invite, encourage 作宾补 作状语 作定语 作表语 作主语 可放句首，一般用逗号隔开，也可放句尾 通常放在所修饰词之后 常用于My/Her/ job/goal/aim is… Summary Unit 9 It’s important to have good habits. (Section A Grammar Focus-4c) (2) 动词不定式作宾语： (1)一些谓语动词后只能用不定式作宾语，常见这类词是表示命令、打算或希望的： would like，like，want，wish，hope，decide，plan，expect等 Would you like to see a film this evening? (2)在find，think后面接不定式作宾语时，常用it代替，而将真正的宾语放在句末。 I find it easy to read English every day. (3)常见的一些不带to的动词不定式： why not do…，had better(not) do…，would rather do，could/will you please (not) do… (3)不定式作宾语补足语： Lucy asked him to turn down the radio. 【注意】使役动词和感官动词用不定式作宾补，要省略to：一感(feel)、一帮(help)、 二听(hear，listen to)、三让(let，make，have)、四看(look at，see，watch，notice) 但变被动语态时，必须加上to。The boss made them work the whole night. (1)动词不定式作主语：常用it作形式主语，而将真正的主语放在句末， 结构为：It+be+adj.+(for/of sb.)+动词不定式 It's important for us to protect the environment. (4)不定式作目的状语，可置于句首，也可以是句末。 To improve myself,I will take up a hobby like painting this summer. 动词 不定式 动词不定式详细用法 “to+动词原形” Summary Exercise Part 05 一、完成句子。 1.China has taken a big step forward in the field of AI driving t____________ and will lead the world in this field. 2.Swimming is one of the best ways to lose w___________. 3. _____________ (Teenage) sometimes might have trouble expressing their feelings and ideas. 4.. 自从我小的时候起，我父母就教育我要礼貌待人。 Since my childhood, my parents have educated me _____ ______ ______ to others. 5. 提高记忆力的一个好方法是训练你的大脑。 A good way ________ __________ memory is to exercise your brain. (t)echnology (w)eight Teenagers to be polite to improve 二、完成句子。 1．It’s very kind of you ________ me learn English. A．to help B．help C．helping 2．She prefers ________ rather than ________ TV. A．swimming; watching B．to swimming; watching C．to swim; watch D．to swim; watching 3．Open online courses allow students all over the country ________ lessons at any time, from anywhere. A．to attend B．attend C．attending to do 作主语 to do 作宾语 to do 作宾补 二、完成句子。 4．The aim of the music program is ________ all the students with the knowledge of music. A．provide B．to provide C．providing D．provided 5．I’m happy that Judy has become the first one ______ five books during the Reading Week. A．finished B．to finish C．finishing 6．_______ online scams, police, banks and tech businesses need to work together more. A．Fight B．Fighting C．To fight D．Fought to do 作表语 to do 作定语 to do 作目的状语 Homework Part 06 Homework 基础作业：根据所学知识，绘制思维导图。 进阶作业：运用本课所学句型，请你根据4c内容做一个班级调查，形成报告。 Thank you for watch. $