Unit1SectionAGrammar-Focus课件人教版英语七年级下册

Unit1AnimalFriends|SectionAPeriod3Grammar

Focus语法精讲与句型归纳Today'sAgenda本课时目录可数名词复数规则Why/BecauseGrammarFocus核心句型初少中英语建议,何表大连不英语课度的沿长验会作语法精讲可数名词复数规则Why/Because形容词描述动物初初中英语课接按规的土,在时中英语课管养,设生语法精讲语初中英溪结议换过课防衣403号形容词描述动物like用法归纳综合操练与游戏5初中中英语法课给实洁集学初中英语课学然中冷上初中英语课堂按校的失之英建业的闽休阅法会初中英课练与问读LearningObjectives学习目标熟练运用可数名词复数形式描述动物掌握Why引导的特殊疑问句及Because回答的用法在真实语境中综合运用本单元语法谈论动物23Warm-up:Let'sRecall!第1-2课时回顾导入核心句型回顾动物词汇大挑战giraffe,elephant,dolphin,tiger,pandaThisisakoala.ItisfromAustralia.Itiscuteandinteresting.penguin,koala,lion,dolphin,monkeyCanyourememberalltheseanimals?Let'sreviewtogether!GrammarFocus核心句型?问答气泡What'syourfavouriteanimal?It'sthemonkey.?问答气泡Wherearepenguinsfrom?They'refromAntarctica.?问答气泡Whydoyoulikepenguinssomuch?Becausethey'reverycute!"?问答气泡Whydon'tyoulikesnakes?Becausethey'rereallyscary."Note:Because引导原因,Why询问原因,Where询问地点,What询问事物句型精讲:Whydoyoulike....语法结构do/doeslike?Whyyou功能说明Whydoyoulike..?是询问原因的疑问句,用于询问对方喜欢某事物的原因。结构:Why+do/does+主语+like+事物/活动?回答时用Because.例句展示Whydoyoulikedogs?Because答答Becausethey'refriendly.-Whydoyoulikecats?Becausethey'recuteandclean.Whydoesshelikebirds?Becousetheycansing.回答方式精讲:Because....Because用法详解常用回答模板Because引导原因状语从句,位于主句之后回答Why问句时使用,后接完整句子语调:Because后的内容可适当强调Becausethey'recuteBecauseIlike...Becauseit'sinteresting.Becauseit'svery...问:"Whydoyoulikepenguins?"答:"Becusethey'reverycute!"语法结构解析语法结构解析Whydon'tlikeyou例句展示结构说明否定疑问句表示惊讶或询问原因结构:Whydon't/doesn't+主语Whydon'tyoulikesnakes?Whydon'tyoulikespiders?Whydon'tyoulikerats?Becausethey'rescary.Becausetheylookcreepy.Becausethey'redirty.Becausehe'safraidofthem.+动词....回答时用Because...说明理由Tip:Whydon'tyou....也可以用来提出建议,如Whydon'tyoutry..?Whydoesn'thelikedogs?对比操练:Whyvs.Whydon'tyou...?Whydoyoulike...(肯定问)Whydon'tyoulike...(否定问)Why+don't/doesn't+S+like...?Why+do/does+S+like...?使用场景使用场景询问对方喜欢某事物的原因(肯定的期待)询问对方不喜欢某事物的原因(带有惊讶色彩)对比示例对比示例问:"Whydoyoulikedogs?"答:"Becausethey'reloyalandcute."问:"Whydon'tyoulikesnakes?"答:"Becausethey'rereallyscary."Practice:Askyourpartnerabouttheirfavouriteandleastfavouriteanimals!句型精讲:Whereare...from?语型结构动物来源地AnimalsandTheirHomes主语from?WherearePandas→ChinaKangaroos→AustraliaPenguins→>Antarctica主谓一致复数名词/you单数名词are→>is→Lions→AfricaPolarbears→>theArcticWhereare...from?用来询问某物的产地或来源地句型结构What'sfavouriteanimal?yourWhat's=Whatis问答示例替换练习A:"What'syourfavouriteanimal?"B:"lt'stheelephant.A:"What'shisfavouriteanimal?"B:"t'sthetiger."A:"What'sherfavouriteanimal?"B:"It'sthepanda.Favourite→favorite,animal→pet,pet,colour,food,sportMonkey,panda,dolphin,tiger,lion,rabbitTip:favourite=最喜欢的,注意美式拼写favoriteE90%Exercise3a:Circlethewordthatintroducesareason圈出引导原因的词1Whydoyoulikeelephants?→Becausethey'rebigandstrong.2Whydon'tyoulikespiders?→Becausethey'recreepy.3Whydoesshelikepenguins?→Becausethey'refunny.Whydoesshelikepenguins?→Becausethey'refunny.Whydon'ttheylikesnakes?→Becausethey'redangerous.Whydoyoulikemonkeys?→Becausethey'resmart.Hint:引导原因的词通常是Because(因为)Exercise3a答案与解析Thewordthatintroducesareasonis"Because"一引导原因的词是Because①Whydoyoulikeelephants?→Becausethey'rebigandstrong.2Because②Whydon'tyoulikespiders?Becausethey'recreepy.③Whydoesshelikepenguins?→Becausethey'refunny.④Whydon'ttheylikesnakes?→Becausethey'redangerous.⑤Whydoyoulikemonkeys?→Becausethey'resmart.BecauseBecauseBecauseBecause语法小结:Because用来引导原因,回答Why引导的特殊疑问句Exercise3b:CompletetheconversationCompletetheconversation.Usethewordsinthebox.补全对话Jane:Sam,wherearegiraffesfrom?Sam:They'refromAfrica.Doyoulikegiraffes?Jane:Yes,Ido.Sam:Whydoyoulikethem?JaneSamthey'reinteresting.Theyhavelongnecks.Jane:Well,Sam:Guess!Itlivesinthesea.Jane:Isittheshark?Sam:No.Idon'tlikesharks.Exercise3b:Completetheconversation(下)+答案Jane:Sam,wherearegiraffesfrom?Sam:They'refromAfrica.Doyoulikegiraffes?Jane:Yes,Ido.Sam:Whydoyoulikethem?Jane:Well,becausethey'reinteresting.Theyhavelongnecks.Sam:Guess!lItlivesinthesea.Jane:Isittheshark?Sam:No.Idon'tlikesharks.Jane;Whydon'tyoulikesharks?Sam:Becausethey'rereallyscary.Because引导原因,Why询问原因,回答时because不与because连用语法重点:可数名词复数规则总览规则二:以s,x,sh,ch结尾加-es规则一:一般情况加-Seagle>eagles,fox→foxesshark→sharksbus→buses,box→boxes,fish→fishes,watch→watches规则三:以辅音字母加y结尾,改y为i规则四:以f或fe结尾,改f为v加-esfamily→families,butterfly→butterflieswolf→wolves,knifeknivesNote:可数名词有单复数变化,描述动物时常用复数形式特殊复数变化:mouse→mice,sheep→sheep特殊变化:不规则复数Mouse→Mice(老鼠→老鼠,复数内部元音变化)记忆口诀Sheep→Sheep(羊→羊,单复数同形)口诀1:"Mouse和Goose,元音换位记心上"toothfootteethmanmen口诀2:"heep不变真省心,单复同形最聪明"feetwomanwomenchildchildrengoose口诀3:"Man和Woman,双手双脚要牢记"geese注意:这些特殊复数形式需要单独记忆,没有通用规则!Exercise3c:Makethenounsplural将下列名词变为复数形式,写在横线上常规变化eagle→bear→snake→foxshark→whale→eagle→特殊变化mouse→sheep→giraffe→eagles,sharks,bears,foxes,whales,snakes,mice,sheep,giraffesHint:不要忘记规则变化和特殊变化的区别哦!Exercise3c:Answers+复数造句复数答案eagle→eaglesshark→sharksbear→bearsfox→foxessheep→sheepwhale→whaleswhale→whalessnake→snakesmouse→micegiraffe→giraffes用复数造句Ilikefoxesbecausethey'recute.Idon'tlikemicebecausethey'rescary.LionsarefromAfrica.PenguinsarefromAntarctica.document.fonts.ready.then(function(){constmaxSpacingRatio=0.6;constminFont=10;document.querySelectorAll('.text-element').forEach(function(el){constw=parseFloat(el.style.width);consth=parseFloat(el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