Unit2GrammarFocus(4a-4d)课件人教版英语八年级下册

Unit2StayHealthyGrammarFocus4a-4dFirst-AidQuickResponseWarmupHefelloffhisbike.Hehurt_______kneebadly.Hehurthimselfbadly.What’sthematter?Whatshouldhedo?hisHeshould/shouldn’t...Shehasaverybadtoothache.Shecan’tenjoy_______food.Shemighthurtherselfbyeatingtoomuchcandy!What’sthematter?Whatshouldshedo?herShecould/should/shouldn’t...First-AidQuickResponseWarmupWhat’sthematter?Whatshouldshedo?Shecould/should/shouldn’t...Ohno!I____________withtheknife!cutmyfingercutmyselfWarmupHehurthimselfbadly.Shemighthurtherselfbyeatingtoomuchcandy!Icutmyselfwiththeknife!He/Shecould/should/shouldn’t...HeSheI情态动词（modalverb）should和could表示建议反身代词：表达:“......自己，本身”含义的一类代词。通常和前面主语保持一致。LeadingReadthesentencesandtranslatethem.What’swrong?Iatetoomuchlastnight.Nowmystomachaches.Youshouldn’teatsomuchnexttime.What’sthematter?Ihaveareallybadtoothache.YoushouldseethedentistandgetanX-ray.Youcouldeatsomesoftfoodfornow.Howdidyouhurtyourself?IhurtmyselfwhenIfelloffmybike.Bemorecarefulnexttime.Ifwearenotcareful,wecaneasilyhurtourselves.4a怎么了？我昨晚吃得太多了。现在我肚子疼。下次你不应该吃这么多。怎么了？我牙痛得很厉害。你应该去看牙医，拍个x光片。你现在可以吃点软的东西。你是怎么受伤的？我从自行车上摔下来时受了伤。下次小心点。如果我们不小心，我们很容易伤害自己。Readthesentences.Underlinethemodalverbsforadvice.What’swrong?Iatetoomuchlastnight.Nowmystomachaches.Youshouldn’teatsomuchnexttime.What’sthematter?Ihaveareallybadtoothache.YoushouldseethedentistandgetanX-ray.Youcouldeatsomesoftfoodfornow.Howdidyouhurtyourself?IhurtmyselfwhenIfelloffmybike.Bemorecarefulnexttime.Ifwearenotcareful,wecaneasilyhurtourselves.Whatrulescanyoufindout?情态动词+动词原形4ashould应该，应当动词原形没有shouldnot/shouldn’t1.You

shouldn’teatsomuchnexttime.2.YoushouldseethedentistandgetanX-ray.

情态动词（modalverb）should和could表示建议这些句子的共同点：

都含有一个情态动词_________，意为“______________”，后面接__________。且_______人称和数的变化，其否定形式为______________________。

Let’sLearningcould既是can的过去式，做情态动词表示谨慎、客气的建议，否定形式为couldn’t。should较强烈的建议＞can＞could一般的建议Youcouldeatsomesoftfoodfornow.Youcaneatsomesoftfoodfornow.Let’sLearningshould的用法（1）用于委婉地提出建议或劝告，意为“应该”▶Youshouldhavethreemealsadayontime.你应该按时吃一日三餐。（2）用于表达义务或责任，意为“应该；应当”▶Eachofusshouldstudyhard.我们每个人都应该努力学习。（3）表示推测，意为“应该会；可能”▶Doingcalligraphyshouldbeinteresting.练习书法应该会很有趣。（4）用于责备、命令或要求，语气比较强烈。▶Youshouldn’tbescaredofmakingmistakes.你不应该害怕犯错。（5）用于征求对方的意见，意为“应该；应当”，常用于主语是第一人称的疑问句中。▶Whatshouldwedonow?我们现在应该做什么呢？Let’sLearningcould的用法（1）表示建议。▶Youcouldeatouttonight.今晚你可以上馆子吃饭。（2）用于向对方委婉地提出请求或征求对方的许可。▶Couldyoutakeouttherubbish?你能倒垃圾吗？（提出请求）▶CouldIgoonanoutingwithyou?我可以和你一起出外游玩吗？（征求对方许可）（3）could为can的过去式，表示能力。▶Hecouldrideabikeattheageoffive.他五岁时就会骑自行车。（4）表示推测，意为“可能”。▶ThebookcouldbelongtoLilybecauseshelikesreadingbooks.

那本书可能是莉莉的，因为她喜欢读书。Let’sLearningReadthesentences.

Circlethereflexivepronouns反身代词.What’swrong?Iatetoomuchlastnight.Nowmystomachaches.Youshouldn’teatsomuchnexttime.What’sthematter?Ihaveareallybadtoothache.YoushouldseethedentistandgetanX-ray.Youcouldeatsomesoftfoodfornow.Howdidyouhurtyourself?IhurtmyselfwhenIfelloffmybike.Bemorecarefulnexttime.Ifwearenotcareful,wecaneasilyhurtourselves.4a反身代词是英语中表达“······自己；本身”含义的一类代词。有人称和数之分。它由第一人称、第二人称形容词性物主代词和第三人称人称代词宾格形式在词尾加-self或-selves

构成。具体见下表：人称单数复数第一人称myselfourselves第二人称yourselfyourselves第三人称himselfherselfitselfthemselvesLet’sLearning先找到句子的谓语动词，再找动作的发者——主语。确定主语的人称和单复数。Step2：找主语，定人称herself

Step3：看主语和宾语是否同一个人判断动作的发出者和承受者是不是同一个人/物。是同一个→用反身代词不是同一个→用人称代词宾格.Step1：看句子是否完整Shefelldownandhurt____________.Let’sLearning代词紧跟在名词/代词后面，起强调作用，是同位语，去掉后句子仍然完整。反身代词须和前面的名词人称一致。Theman____________

cametothemeetinghimself

Becarefulwhenyouareusingaknife.Don’tcut

yourself.Youneedtotakecareof

yourselfwhenIamaway.Youhadbetteraskthedentist

himself.你最好问牙医本人。Justbe

yourself.做你自己就好了。用作动词或介词的宾语主语或宾语的同位语做表语(系动词后)enjoyoneself

玩得开心

byoneself

独自，单独

teachoneself自学learnbyoneself自学

foroneself

为自己

dressoneself自己穿衣服

saytooneself

自言自语

helponeselfto

自取，随便吃含反身代词的一些常见搭配Let’sLearningCompletethesentencesusingthecorrectreflexivepronouns.4b1.Thegirlcleanedthecutonherarmby__________.2.Becarefulwhenyou’reusingtheknife!Don’tcut__________.3.Aftertakingthesafetytraining,wecanenjoy__________inthemountains.4.MrLiuknowshowtotakecareofhishealthbecauseheusedtobeadoctor_________.5.Thestudentsareyoung,buttheyknowhowtoprotect_________.6.Herclearestmemoryisnotoftherace_________,butthe

terriblepaininherlegsthenextday.herselfyourselfourselveshimselfthemselvesitself主+usedtodosth.过去常常做某事主+beuseddoingsth.习惯做某事not...but...不是...而是...notonly...butalso...不仅...而且...Mobilephonesareuseful,butyou_______usethemwisely.Toprotectyoureyes,every20minutes,you_______restyoureyesandlookatsomethingfaraway.What’smore,you_______changeyourscreen’sbrightnesstotryandmatchyourenvironmentandmakethewordsonthescreenbigger.Ofcourse,you________lookatyourphonejustbeforeyougotobed,andyoucertainly________lookatitwhenyoucrosstheroad!Infact,you_______avoidusingyourphonetoooften.You_______listentomusicinsteadofwatchingvideos.You_______alsotalktoyourfriendsinsteadofsendingthemmessages.shouldshouldcouldshouldn’tshouldn’tshouldcouldcould4cCompletethepassagewithshould,shouldn’t,orcould.brightadj.明亮的；聪明的brightlyadv.明亮地brightenv.变亮brightnessn.亮度FurtherthinkingWhat’sthemainideaofthispassage?A.Whydoweneedtousephoneswisely.B.Howtousemobilephonesinahealthyway.C.Whentousemobilephones.Youcouldsetadailytimelimitforusingphones.Youshouldmakesurethelightisbright....Toprotectoureyes,canyougivemoreadviceaboutusingphones?No,Idon’t.Doyouhaveafever?Didyoufalloffyourbike?Yes.Ifelloffmybikeandhurtmyknee.Youshouldn’twalkonittoomuch.Youcouldputabandageonittokeepitclean.4dActoutanillnessorinjury.Havetheothersguesswhatitisandgiveadvice.1.Toprotectyoueyesprotect动词

，保护，防护

过去式：protected，名词形式：protection①protectsb/sthfromsth/doingsth保护...免受...的伤害，保护...远离...的伤害Parentstrytoprotecttheirchildrenfromdanger.父亲努力保护孩子远离危险。②protectsb/sthagainststh

保护...免受...的伤害，保护...远离...的伤害Youshouldwearahattoprotectyouheadagainstthesun.戴上帽子防止头部晒伤。Languagepoints2.insteadof

的用法：代替；而不是①insteadof+名词/代词，用来表示“用A代替B”，Let’shavefishinsteadofchickenfordinner.我们晚餐吃鱼吧，别吃鸡肉了。②insteadof+动名词（doing）表示“做A这件事，而不是做B这件事”，of是介词，后接动词-ing形式。Shewentforawalkinsteadofstayingathome.她没有待在家里，而是去散步了。Languagepointsinsteadofinstead词性介词短语，后面必须接短语副词，单独实用，不接宾语含义代替，而不是取而代之，相反地用法连接具体的两个被比较选项单独使用，承上启下，代替前文提到的事物例句I‘llhavewaterinsteadofsoda.（水vs.汽水）Hestudiedinsteadofplaying.（学习vs.玩耍）Idon’twantsoda.I‘llhavewaterinstead.（不要汽水，我要水。）Hedidn’tplay.Hestudiedinstead.（他没玩，而是学习了。）Languagepointsinstead与insteadof的区别：一、用should、could或shouldn’t填空。1.We

______

walk

to

the

park，or

take

the

bus.2.When

our

parents

become

too

old

one

da,we_______look

after

them

well.3.People_________talk

on

a

mobile

phone

while

they

are

driving.4.If

you

like

stories，you______read

a

picture

book

in

the

library.couldshouldshouldn’tcould5.—I

take

my

temperature

and

seem

to

have

a

fever.__