Unit6语法专项不定代词与感叹句课件译林版七年级英语下册

教学课件译林英语七年级下册

Unit6语法专项——

不定代词&感叹句（what/how）

全解精讲+分层练习学习目标1.理解不定代词的定义，区分不同类别不定代词的用法2.能在肯定、否定、疑问句中正确使用不定代词3.掌握what/how引导的感叹句结构与核心区别4.能完成不定代词和感叹句的各类题型转换与填空5.结合自然景观话题，灵活运用语法知识表达第一部分不定代词定义与功能1.定义：指代不确定的人、事物或数量的代词2.功能：可作主语、宾语、表语，无需明确指代对象

本单元应用：描述自然景观中的未知/泛指的人或物

例：Thereissomethingintheforest.（森林里有东西）注意：不定代词作主语时，谓语动词用单数不定代词核心分类（按句式场景）句式场景指代人指代物核心含义肯定句somebody/someonesomething某人/某物疑问/否定句anybody/anyoneanything任何人/任何事物强调整体everybody/everyoneeverything每个人/一切事物否定含义nobody/noonenothing没有人/没有事物不定代词肯定句用法somebody/someone/something用于肯定句表“不确定的人或事物”，无具体指向作主语时，谓语动词用单数形式例句1：Someoneiswalkinginthemountain.例句2：Ifindsomethingbeautifulbythelake.拓展：some类不定代词也可用于委婉请求的疑问句不定代词疑问/否定句用法anybody/anyone/anything用于疑问句、否定句、条件句疑问句中表“是否有人/有物”，否定句中表“没有任何”

例句1：Canyouseeanythinginthedarkriver?

例句2：Idon’tknowanybodyhereinthevalley.拓展：anything用于肯定句时，表“任何事物”不定代词强调整体用法everybody/everyone/everything用于肯定句表“全部、所有”，强调整体概念作主语，谓语动词一律用单数例句1：Everyonelikesthebeautifulviewofthesea.例句2：Everythingisreadyforourtriptothehill.注意：everyone后不接of，everyone可接of不定代词否定含义用法nobody/noone/nothing本身含否定意义句中无需再加not，否则双重否定表肯定nobody/noone指代人，nothing指代物例句1：Nobodyisinthetent.（帐篷里没人）例句2：Thereisnothingintheemptybox.拓展：否定不定代词作主语，谓语用单数不定代词小拓展（else的用法）else可与不定代词连用，表“另外的、其他的”位置：不定代词+else（else后置）常用搭配：someoneelse/anythingelse/nobodyelse例句1：Thereisnobodyelseintheforest.例句2：Doyouwantanythingelseforthetrip?注意：else后不加s，无elses形式不定代词即时小练（填空）1.___________issingingbythestream.Let'sgotolisten.2.Ican'tfind__________todrinkinmybag.3.___________inourclasswantstovisitthewaterfall.4.Thereis___________wrongwithmycamera.Itworkswell.SomeoneanythingEveryonenothing第二部分感叹句定义与功能定义：表达强烈情感的句子（赞叹、惊讶、喜悦等）本单元应用：赞叹自然景观的美丽、壮观核心引导词：what和how句末用感叹号，口语中常省略主语+谓语例：Whatanicelake!/Howbeautifulthemountainis!感叹句what引导基础结构核心结构：What+(a/an)+形容词+名词+(主语+谓语)!关键：what修饰名词短语，强调“什么人/物”单数可数名词：加a/an（元音音素开头用an）复数/不可数名词：不加a/an例句1：Whatatalltreeitis!例句2：Whatclearwateritis!感叹句how引导基础结构核心结构：How+形容词/副词+(主语+谓语)!关键：how修饰形容词/副词，强调“多么…样”后接形容词：修饰名词；后接副词：修饰动词结构中无a/an，这是与what的核心区别例句1：Howgreenthegrassis!例句2：Howfasttheriverruns!what/how感叹句核心区别（表格）引导词修饰对象结构关键有无a/an强调重点what名词/名词短语形+名单名加，复/不可数不加事物本身how形容词/副词直接接形/副无a/an事物的特征/动作的状态感叹句易混句式对比（1）Whatabeautifulfloweritis!（what+名词短语）Howbeautifulthefloweris!（how+形容词）两句含义相同：这朵花真漂亮！转换技巧：找到核心名词，有名词用what，无则用how注意：名词前有形容词修饰，仍归为名词短语感叹句易混句式对比（2）

Whatwonderfulcloudstheyare!（复数名词，无a/an）

Howwonderfulthecloudsare!（形容词，无a/an）

Whatcoldsnowitis!（不可数名词，无a/an）

Howcoldthesnowis!（形容词，无a/an）总结：复/不可数名词前，what后永远不加a/an感叹句拓展（省略主语+谓语）

口语中，当语境明确时，可省略主语+谓语what句式省略：What+(a/an)+形容词+名词!how句式省略：How+形容词/副词!例句1：Whatagreatview!（省略itis）例句2：Howamazing!（省略thelandscapeis）本单元高频用法，需重点掌握感叹句即时小练（填what/how）1.__________abigoceanitis!2.__________brightthestarsareatnight!3.__________lovelythelittlerabbitis!4.__________freshairthereisinthemountain!WhathowhowWhat语法综合语境运用（自然景观话题）结合本单元“美丽的风景”，整合语法知识例句1：Someoneistakingphotosoftherainbow.例句2：Howcolorfultherainbowis!例句3：Thereisnothingmorebeautifulthanthesunset.例句4：Whatafantasticsunsetitis!技巧：先定句式，再选词汇，最后检查结构专项习题一不定代词填空

1.Thereis__________onthetopofthehill.Let'sclimbuptosee.2.Wecan'thear__________inthequietforest.3.__________isOK.Wecanstartourtripnow.4.Thereis__________inthebag.It'sjustanemptybag.5.Isthere__________interestingintoday'slandscapebook?6.__________inourgrouplovestheblueskyandwhiteclouds.someoneanythingEverythingnothinganythingEveryone专项习题二不定代词填空

1.Ihave__________specialtoshowyouaboutthedesert.2.Thereis__________elsenearthelake.Onlyasmalltree.3.__________iswaitingforusatthegateofthepark.4.Shedoesn'thave__________toeatforbreakfast.5.Canyougiveme__________todrink?I'mverythirsty.6.__________knowsthewaytothewaterfall.Weneedaguide.somethingnobodySomeoneanythingsomethingNobody专项习题三what/how填空

1._______alovelybirditissinginginthetree!2._______fastthewindblowsthroughtheleaves!3._______beautifultheflowersbytheriverare!4._______tallmountainsweseeinthepicture!5._______acleanlakeitisinthevillage!6._______happywearetoseethebeautifulview!WhatHowHowWhatWhatHow专项习题四what/how填空

1._______sweetthefruitonthemountaintastes!2._______amazingpictureshetakesofthelandscape!3._______widetheroadtotheforestis!4._______awonderfultripwehavetothehill!5._______clearthewaterinthestreamis!6._______interestingstoriesaboutthedeserthetells!WhatHowWhatHowHowWhat专项习题五单项选择1.Thereis_______inthetree.It'salittlebird.A.nothingB.somethingC.anythingD.everything2.—Isthere_______intheclassroom?—No,everyonegoestotheplayground.A.somebodyB.anybodyC.everybodyD.nobody3._______beautifulthesunsetovertheseais!A.WhatB.HowC.WhataD.Howa4.Idon'thave_______todothisweekend.Let'sgohiking.A.somethingB.anythingC.nothingD.everythingBBBB专项习题六单项选择1._______anicedaywehaveforthepicnic!A.WhatB.HowC.WhataD.Howa2._______isreadyforthecamping.Wedon'tneedtobuyanything.A.SomethingB.AnythingC.EverythingD.Nothing3.Thereis_______wrongwithmybike.Icanrideittothemountain.A.nothingB.somethingC.anythingD.everything4._______clevertheboyis!Hefindsthewaytothelakequickly.A.WhatB.HowC.WhataD.HowaACAB专项习题七句型转换（改为感叹句）1.Theskyisblue.→____________theskyis!2.Itisatallmountain.→____________tallmountainitis!3.Thewindisgentle.→____________thewindis!4.Itisanamazingwaterfall.→____________amazingwaterfallitis!5.Thetreesaregreen.→____________greenthetreesare!HowblueWhataHowgentleWhatanHow专项习题八句型转换（否定句/同义句）1.Thereissomethinginthebox.（否定句）→Thereis_______inthebox.2.Everybodylikesthebeautifulview.（否定句）→__________likesthebeautifulview.3.Idon'thaveanythingtosay.（同义句）→Ihave__________tosay.4.Thereisn'tanybodyintheroom.（同义句）→Thereis__________intheroom.nothingNobodynothingnobody专项习题九连词成句（注意标点）1.what/view/a/beautiful/it/is(!)2.how/the/lake/quiet/is(!)3.something/I/in/find/the/grass(.)4.nobody/the/in/is/forest(.)5.how/we/happy/are(!)Whatabeautifulviewitis!Howquietthe