外研版（2024）新教材八年级英语上册Unit 3 课时3 Understanding ideas Grammar（课件）.pptx

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第,三级,第,四级,第,五级,单击此处编辑母版标题样式,编辑母版文本样式,第二级,第三级,第四级,第五级,Unit 3,Make it happen!,Understanding ideas,Grammar,学习目标,通过本节课学习，学生能够：,通过阅读语篇，找出更多例句，理解两种结构在语境中的表意差异,能够识别并归纳动词不定式和动名词作宾语的常见用法学习理解）,能够正确使用动词不定式或动名词完成相关练习，能够模仿语篇中的句型，口头或书面描述个人经历，强化语言输出能力应用实践）,能够结合社会问题，设计创新解决方案并用目标语法表达步骤迁移创新）,Contents,Lead in,1,Presentation,2,Practice,3,Production,4,Language,points,5,Exercise,6,Summary,7,Homework,8,Lead in,What grammar rules did you notice in the song?,Lead in,What grammar rules did you notice in the song?,v.+to do,(,动词不定式）,v.+doing,（动名词）,Presentation,5,Read the sentences from the reading passage and summarise the grammar rules.,(a)He always,tried to improve,his work.,(b)He,enjoyed fixing,problems one after another,.,What can you find?,v.+doing,（动名词）,v.+to do,(,动词不定式）,Now find more sentences with these structures in the reading passage.,Presentation,动词不定式和动名词作宾语,当我们要表示,“,想做某事、需要做某事或决定做某事,”,时，就会出现,两个动词连用,的情况，同学们自然会想到用,want to do sth,need to do sth,和,decide to do sth,等表达方式。

行为动词后,的动词都采用了,“,to+,动词原形,”,的结构我们把这种结构称为,动词不定式,动词不定式,没有人称和数的变化，,在句中,不能作谓语,那么动词不定式有什么样的语法功能呢,?,首先，它可以在句中充当,宾语,成分Presentation,课本,129,页,We only planned to watch for an hour.,动词不定式和动名词作宾语,Presentation,课本,129,页,Eg,：,I wanted,to see,the Beiiing opera,so Li Ling offered to take me there.,We only planned,to watch,for an hour.,需要注意的是：在英语中，并不是所有的动词都,可以用不定式作宾语,有一些动词只能用,动名词,作宾语Eg,：,She,enjoys learning,about different cultures and traditions from around the world.,Presentation,动词不定式的基本形式为：,to+,动词原形,；,动名词的基本形式为：,v.,+-ing,。

注意：,1.,动词不定式是一种非谓语形式，在句中不能作谓语，其形式不随主语的人称、数和时态的变化而变化2.,动名词是由,“,动词原形,+-ing”,构成，相当于,名词,的功能动词不定式和动名词作宾语,一般来说，用不定式作宾语时，所表示的多为,将来,的行为但是，在具体使用中同学们还要注意记忆，因为动词不同，对其后动词形式的要求也不同Do you want to say anything?,你想要说什么吗？,He offered to lend me some books.,Presentation,考点,1,：,动词不定式作宾语,拒绝、选择和同意（refuse、choose、agree）,期望、决定和学习（expect、decide、learn）,宁可、假装和计划（prefer、pretend、plan）,希望、想要和愿意（wish/hope、want、would,like）,后接动词,不定式作宾语,的常见动词（短语）：,Eg,：,1.Do you want to say anything?,2.I hope to understand more next time.,keep(,保持,),；,mind(,介意,),；,enjoy;practise;finish;avoid(,避免,);give up(,放弃,),；,keep on(,继续,),；,look forward to,等,Presentation,考点,2,：,动名词作宾语,后接动词,动名词,的常见动词（短语）：,enjoy、finish、keep、mind、practise、suggest、feel,like、cant,help、look,forward,to、avoid,、,give up,、,keep on,等,Eg:1.I look forward to hearing from you.,2.She practises playing the piano for two hours every day.,需要注意的是，还有一些动词，既可以用不定式又可以用动名词作宾语，但表达的意义可能不同。

Presentation,考点,3,：动词不定式和动名词作宾语,注意：有一些动词，,既可以用不定式又可以用动名词作宾语，但表达的意义可能不同,Remember/forget,3.f,orget/remember,1.try,2.mean,try doing sth.,试着去做某事,(,侧重尝试,),try to do sth.,努力去做某事,(,侧重尽力,),mean,to,do,sth.打算做某事,mean,doing,sth.意味着做某事,+,to do,sth.忘记/,记得,要做某事,（未做）,+doing sth.,忘记,/,记得曾经做了某事,(,做了,),stop doing sth.,停止做某事,stop to do sth.,停下来去做某事,4.stop,Do you want to say anything?,你想要说什么吗？,He offered to lend me some books.,Practice,一、用所给单词的正确形式填空1.I want _(go)to the Great Wall this winter vacation.,2.The girl always tries _(speak)English in class to improve her English.,3.I remember _(put)my key into my bag,but now its not there!,4.I plan _(go)shopping with my mother.,5.Lucy enjoys _(swim)very much.,to go,to speak,putting,to go,swimming,6,Complete the paragraph with the correct form of the words in brackets.,Lilys grandfather had Parkinsons disease,and he,kept,1 _,(knock)his drinks over.Lily decided,2 _,(design)a new cup to help him.She,invented a cup with three legs.It can stand well on the table and Grandpa loved,3 _,(use)it!,knocking,to design,using,Practice,Pr,actice,7,Complete the news report with the correct form of the words in the box.,Boy designs smart stick for the blind,17-year-old Shantanu Gangwar noticed a problem.Blind students at school had a hard time moving around.They wished,1 _,a smart machine to warn them about the objects in their way,so Shantanu decided,2 _ something to help.,He invented a smart walking stick,it can sense objects nearby and shake to warn the user.,Shantanu won an award and received many congratulations for his invention.However,he wanted 3 _ it even better.He also hoped 4 _ it to real life after finishing high school.We can produce a lot of these sticks and help more blind people,he said.,apply have do make,to have,to make,to apply,to do,Invention:Smart Light Bag,8,Work in pairs.Think of a problem and come up with an idea for an invention.Then write an advertisement for it.Use the words and expressions from the reading passage and the,Useful expressions,to help you.,Production,1)What everyday problem do you face,?,2)How does the problem trouble you?,3)What invention could solve the problem?(Be creative!You can be as imaginative as you want.),4)How does the invention work?,My schoolbag is too heavy;It hurts my back.,I cant find my books quickly.My shoulders hurt every day.,Invention:Smart Schoolbag,It tells me when its too heavy,helps organize my books,and makes carrying easier.,It beeps when too heavy.,Press a button to sort books.,Special straps make it comfortable.,8,Work in pairs.Think of a probl。