Unit8SectionA(GrammarFocus-3c)课件人教版八年级英语上册

SectionAGF-3cUnit8Howdoyoumakeabananamilkshake?Learningobjects(学习目标)1.通过观察几组句子，师生共析，寻找规律，能正确运用howmany和howmuch对可数名词或不可数名词的量进行提问。2.根据图片提示及生活经验，能恰当运用表示顺序的副词（first,next,then,finally等）及祈使句发布制作步骤的指令。Howdoyoumakeabananamilkshake?First,peelthebanana.Next,putthebananasintheblender.Then,pourthemilkintotheblender.Finally,turnontheblender.这些句子有什么相同点?•以动词原形开头的句子称为祈使句。•祈使句可用来发布制作步骤的指令。都以动词原形开头。Howdoyoumakeabananamilkshake?GrammarFocusFirst,peelthebananas.Next,putthebananasintheblender.Then,pourthemilkintotheblender.Finally,turnontheblender.1.你怎样做香蕉奶昔？Howdoyoumakeabananamilkshake?

2.First,peelthebananas.Next,putthebananasintheblender.

首先，剥香蕉。接下来，把香蕉放进食物搅拌器里。

3.Then,pourthemilkintotheblender.Finally,turnontheblender.

然后，把牛奶倒进食物搅拌器里。最后，打开食物搅拌器。

4.我们需要多少根香蕉？我们需要三根香蕉。Howmanybananasdoweneed?Weneedthreebananas.

5.Howmuchyogurtdoweneed?Weneedonecupofyogurt.我们需要多少酸奶？我们需要一杯酸奶。

课前预习祈使句（Imperativesentence）1、语法概述祈使句表示请求、命令、警告、劝告、禁止等意思。祈使句一般以动词原形开头，省略主语you，句末用感叹号或句号，读时常用降调。Let’sgotoschooltogether.咱们一起上学去吧。祈使句的类型1.Do型(实义动词+其他)Standup.起立。2.Be型(Be+adj.)Be

careful!小心/当心！3.Let型(Let's+动词原形)Don'tletthemplaywithfire.祈使句的否定形式1.Don't+动词原形Don'tstandup.Don'tbecareless!2.Let's(letsb)+not+动词原形Let'snotsayanythingaboutit.不要站起来。别粗心！对于这件事，咱们什么也别说。别让他们玩火。Trytofindouttherules.上述句子中标红的部分有什么特别之处吗？这是什么结构？一起来学习吧！考点1Howdoyoumakeabananamilkshake?First,peelthebananas.Next,putthebananasintheblender.Then,pourthemilkintotheblender.Finally,turnontheblender.Thinking1:1.How对于什么提问？2.顺序的单词用于描述什么？3.黄色版块是什么句式结构？用法是怎样的？How用于对

进行提问。顺序的单词用于描述

。黄色版块是

。方式，身体状况祈使句制作步骤的先后顺序祈使句的反意疑问句1.肯定形式的祈使句的反意疑问部分可用willyou/won’tyou/wouldyou。如：Pleasekeepquiet,_____you?Listentome,______you?Letmehelpyou,______you?willwon’twould2.否定形式的祈使句后只能跟willyou。如：Don’ttellittoanyoneelse,_____you?3.Let’s开头的用shallwe，letus开头的用willyou。如：Let’sgoforawalkaftersupper,______we?Letusgoforawalkaftersupper,______you?shallwillwillTrytofindouttherules.为什么有howmany和howmuch两种提问方式？一起来学习吧！考点2CountablenounsUncountablenounsHowmanybananasdoweneed?Weneedthreebananas.Howmuchyogurtdoweneed?Weneedonecupofyogurt.Thinking2:1.Howmany对什么提问？2.Howmuch对什么提问？3.Howmany怎样对不可数名词提问？Howmany对

提问。Howmuch对

提问。Howmany可以对

提问。可数名词复数不可数名词/价格不可数名词的量词howmanyhowmuchhowmany和howmuch意为：______。•_________对可数名词提问。•_________

对不可数名词提问。-Howmany

bananas

doweneed?Weneedthreebananas.-Howmuch

yogurtdoweneed?Weneedonecupofyogurt.howmanyhowmuch多少Howdoyoumakeabananamilkshake?First,peelthebananas.Next,putthebananasintheblender.Then,pourthemilkintotheblender.Finally,turnontheblender.CountablenounsUncountablenounsHowmanybananasdoweneed？Weneedthreebananas.Howmuchyogurtdoweneed？Weneedonecupofyogurt.Howmany提问___________的“多少”。Howmuch提问___________的“多少”。Howmuch除了提问数量外，还可提问价格。可数名词不可数名词Fillintheblankswithhowmanyorhowmuch.1.___________waterdoyouputintothenoodles?2.___________tomatoesdoesheputintosalad?3.

___________yogurtdoweneed?4.___________applesarethereinthemilkshake?6.

___________studentsarethereinyourclassroom?5.___________fishdoyouwant?HowmuchHowmanyHowmuchHowmuchHowmanyHowmany可数名词和不可数名词的辨析可数名词不可数名词单复数形式有单复数之分没有复数形式修饰词a/an，具体数词以及many,few,afew,some,any,alotof,lotsof等much,little,alittle,some,any,alotof,lotsof等以及表示量的短语（acup/glassof）提问（数）量用howmany用howmuch作主语单数形式作主语，谓语动词用单数形式；复数形式作主语，谓语动词用复数形式谓语动词用单数形式Grammar可数名词复数的变化规则通常情况下，当一个名词作定语修饰另一个名词时，变复数时只把后一个名词变为复数。但当man或woman修饰另一个名词时，变复数时要把man或woman和另一个名词一起变为复数。anappletreeappletrees苹果树awomanleaderwomenleaders女领导amandoctormendoctors男医生不可数名词物质名词一般是不可数名词，它们所表示的事物不能用数来计数。如：rice,milk,yogurt,beef,…不可数名词的具体数量可以用适当的量词（由普通名词充当）作单位来表示，结构为“数词+量词（普通名词）+ of + 不可数名词”。其单复数变化就体现在量词上。如：a piece of paper 一张纸three pieces of paper 三张纸。不规则变化例子改变单词中间的元音字母man-menwoman-womenfoot-feettooth-teeth（牙齿）mouse-micegoose-geese（鹅）在词尾加-en/renchild-childrenox-oxen（公牛）单复数同形sheep-sheepfish-fishdeer-deer（鹿）people-people“某国人”变复数规则中国、日本不变Chinese-ChineseJapanese-Japanese英国、法国a变eEnglishman-EnglishmenFrenchman-Frenchmen（法国人）其余的国家加-sAmerican-AmericansGerman-Germans（德国人）可数名词复数的变化规则不规则变化：二、不可数名词1．物质名词：milk,water,rice2．抽象名词：work,time,health3．不可数名词的量的表达：数词＋量词＋of＋不可数名词。如：apieceofpaper,twoglassesofwater/milk等。三、既可数又不可数的名词有些名词既能用作可数名词，又能用作不可数名词，但意义不同。chicken—鸡(可数)；鸡肉(不可数)room—房间(可数)；空间(不可数)fish—鱼(可数)；鱼肉(不可数)glass—玻璃杯(可数)；玻璃(不可数)paper—试卷，报纸(可数)；纸张(不可数)PresentationDoyouknowtheusagesofcountablenounsanduncountablenouns?可数名词与不可数名词的用法GrammarFocus询问不可数名词的数量：_________+不可数名词……?对不可数名词的量进行提问时用howmuch。Iate

twobowlsof

rice.

(对划线部分提问)

→Howmuchricedidyoueat?回答不可数名词的数量：_______+不可数名词数量词一杯_________;一碗__________acupofabowlofHowmuchhowmuch多少钱；询问价格—HowmuchisKate’ssweater?___________(多少)bananasdoweneed?Weneedthreebananas.___________(多少)

yogurt

doweneed?Weneedonecupofyogurt.HowmanyHowmuchHowmany+复数名词+一般疑问句。Howmuch+不复数名词+一般疑问句。可数名词和不可数名词的量的表达

①anapple/abottleofapplejuice

②threeeggs/threecupsofyogurt

③

many

apples/some

bread/little

milk/

alotof

money

④Thereisonecupofteaonthetable.⑤Therearetwocupsofcoffeeonthetable.【归纳】1.观察例子①②可知，可数名词有________、________形式之分，而且可以直接用不定冠词_____/_____或者具体的________修饰,如：一个鸡蛋_____________,三根香蕉______________。2.不可数名词没有_____形式，但有量的变化，并且不能够使用______________或者_____直接修饰，如要表示确切的数量，要用“数量词+_____+不可数名词”结构。单数复数复数aan数词aneggthreebananasof不定冠词a/an数词3aCirclethecorrectwordineachquestion.1.How(much/many)bananasdoweneed?2.How(much/many)sugardoweneed?3.How(much/many)breaddoweneed?4.How(much/many)tomatoesdoweneed?5.How(much/many)cheesedoweneed?a.Halfacup.b.______,putthecornintothepopcornmachine.c.Yes,wecan!d.Next,______onthemachine.

_______,addthesalt.e.Justonespoon.FirstturnFinally___1.______doyoumakepopcorn?___2.__________corndoweneed?___3.___________dowedonext?___4.___________saltdoweneed?___5.Nowcanweeatit?HowHowmuchWhatHowmuchadecb3bCompletethequestionsandanswers.Thenmatchthem.应用实践类活动3cWritehowtodooneofthefollowingthings.Thentellyourpartnerhowtodoit.Doyouknowhowtoplantatree?First,digahole.Then…plantatreemakebeefnoodleswashclothestakeoutabookfromthelibrary洗衣服【Explanation】特殊疑问词+动词不定式，作宾语digv.掘（地）；凿（洞）；挖（土）

其过去式为dug，动词-ing形式为digging3cWritehowtodooneofthefollowingthings.Thentellyourpartnerhowtodoit.plantatreemakebeefnoodleswashclothestakeoutabookfromthelibraryA:Doyouknowhowto

plantatree?B:First,digahole.Then…Digahole.Putthetreeinthehole.Putthesoilbackintothehole.Waterthetree.It’sOKnow.Let’slearnhowtoplanttrees.Summarysugar,cheese,popcorn,corn,machine,dig,holepour…into…，makepopcorn，halfacup，1.Howmuchcheesedoweneed?2.Doyouknowhowtoplantatree?KeywordsandsentencesGrammarFocustheusageofimperativesentences;learnHowmuchandHowmanyquestions;learntodistinguishbetweenCountablenounsandUncountablenouns;Ⅰ.单项填空1.—How

much________do

you

need?—We

need

two

cups.(

)AA.

milk

B.

egg

C.

pear

D.

potato2.—Would

you

like

something

to

drink?—Yes.

Some________,

please.(

)CA.

potatoes

B.

bread

C.

water

D.

apples

really

likes

eating

meat,

but

she

doesn't

like

eating________.(

)BA.

breads

B.

vegetables

C.

chickens

D.

banana4.—Sam,________run

in

the

hallways.

It's

very

dangerous.—Sorry,

Ms.

Black.(

)BA.

do

B.

don't

C.

not

D.

doesn't5.—Do

you

like

black

coffee,

Miss

Green?—No,

I'd

like

sweet

coffee.

Please

put

some________in

it.(

)A.

ice

B.

salt

C.

sugar

D.

milkCII.句型转换1.Youshoulddoyourhomeworknow.(改为祈使句)

___________________________now.2.Youshouldn'tstayuplatetonight.(改为祈使句)____________________________________tonight.3.Ineedsomemilk.(对划线部分提问)___________________milkdoyouneed?

Doyourhomework

Don’tstayuplate

Howmuch4.Weneedtobuytwobagsofsugar.(对划线部分提问)_____________________doyouneedtobuy?5.Davebroughtthreekilosofriceforusyesterday.(对划线部分提问)___________________________________didDavebringforyouyesterday?6.Wedugsixholesjustnow.(对划线部分提问)______________holesdidyoudigjustnow?

Howmanybags

Howmanykilosofrice

HowmanyIII.请先阅读下面短文，掌握其大意，然后用方框中所给词的适当形式填空。每个词限用一次easy,

cook,

pour,

agree,

late,

so,myself,

how,

never,

add,

dish

My

mother

called

me

at

noon.“Karen,

can

you

cook

dinner

today?

I

will

be

home

1._____.”

Before

I

said

something,

my

mother

added,

“Don't

worry.

It's

easy.

Youcan

read

my

cookbook.”

I

didn't

know

how

it

would

go,

but

I

2._______.

I

had

watched

my

mother