人教版八年級上冊英語Unit2知識點梳理及語法講義（教師版）

八年級上冊英語Unit2知識點與語法精講精練詞匯梳理詞匯梳理完成單詞梳理：名詞：1.housework家務(wù)勞動2.Internet（國際）互聯(lián)網(wǎng)3.program節(jié)目4.junk無用的東西5.coffee咖啡6.health健康7.result結(jié)果；后果8.percent百分之……9.television電視機10.mind頭腦；心智11.body身體12.writer作者；作家13.dentist牙科醫(yī)生14.magazine雜志；期刊動詞：1.die消失；死亡；滅亡代詞：1.none沒有一個；毫無副詞：1.hardly幾乎不；幾乎沒有2.ever在任何時候；從來；曾經(jīng)3.once一次；曾經(jīng)4.twice兩次；兩倍5.maybe大概；或許；可能6.together在一起；共同7.however然而；不過8.almost幾乎；差不多介詞：1.through以；憑借；穿過連詞：1.although雖然；盡管；即使形容詞：1.full忙的；滿的；充滿的兼類詞：1.swing（n）擺動；秋千（v）使……擺動；搖擺2.least（adv）最??；最少（adj/pron）最小的；最少的3.online（adj/adv）在線（的）；聯(lián)網(wǎng)（的）4.such（adj/pron）這樣的；那樣的；類似的5.than（prep/conj）（用以引出比較的第二部分）比6.less（adv）較少；較小（adj/pron）較少的；更少的7.point（n）得分；點（v）指；指向(二)詞匯變形小結(jié)：1.one(num.一)—once(adv.一次)—first(第一)2.two(num.二)—twice(adv.兩次）—second(第二）3.swing(v.使……擺動)—swung(過去式)4.little(adj.少的)—less(比較級：更少的)—least(最高級：最少的)5.health(n.健康)—healthy(adj.健康的)—healthily(adv.健康地)—unhealthy(反義詞：不健康的)—unhealthily(反義詞：不健康地)6.die(v.死)—death(n.死亡)—dying(adj.垂死的)—dead(adj.死的)7.write(v.寫)—writer(n.作者；作家)【練一練】用所給詞的適當(dāng)形式填空Mostparentsdon’tthinkitis____healthy____（health）forchildrentostayuptoolateatnight.LaoSheisagreat___writer___（write）andhe’sespeciallyfamousforhisplay,Teahouse.Ifpeopledon’texercise,theillnesscangointotheir___bodies____(body)easily.Ittakes___less____（little）timetogotherebyundergroundthanbybus.Jimgotten____points___(point)inthebasketballmatch.Takethemedicine___twice_____(two)aday,andyou’llfeelbetter.Jack___does_____(do)hishomeworkeveryday.Mr.Li___taught____(teach)Englishinourschoolfiveyearsago.At___least___(little)tenstudentswerelateforschoolthismorning.Manyboyslikeplayingfootballbecausetheythinkit’s___relaxing___(relax).(三)短語攻關(guān)：onweekends/ontheweekend在周末 goonline 上網(wǎng)hardlyever 幾乎從不howoften 多久一次onceaweek 一周一次twiceaweek 一周兩次fourorsixtimesaweek 一周四到六次 usetheInternet 使用互聯(lián)網(wǎng)gotothemovies去看電影stayuplate熬夜 atleast 至少begoodfor 對……有好處dosports 做運動 playtennis打網(wǎng)球inone’sfreetime 在某人的空閑時間 gotothedentist去看牙醫(yī)swingdance 搖擺舞dohousework做家務(wù)junkfood 垃圾食品suchas例如Howe? 怎么會呢？theanswerto………的答案morethan多于lessthan少于知識點梳理知識點梳理 1.helpwithhousework幫忙做家務(wù)【用法詳解】helpsbwithsth表示在某方面幫助某人（幫助某人做某事），with后常跟名詞或代詞作賓語。【拓展延伸】重點：helpsbwithsth=helpsb(to)dosth幫助某人做某事【翻譯句子】Sheoftenhelpsherparentswithhousework.她經(jīng)常幫她父母做家務(wù)。2.sometimesadv.有時【易混辨析】sometimes,sometimes,sometime與sometimesometimes頻度副詞有時表示動作發(fā)生的不經(jīng)常性，多與一般現(xiàn)在時連用，它可位于句首、句中或句末，對它提問用howoften。sometimes名詞短語幾次；幾倍其中time是可數(shù)名詞，對它提問用howmanytimes。sometime副詞某個時候表示某個不確切或不具體的時間，常用于過去時或?qū)頃r，對它提問用when。sometime名詞短語一段時間表示“一段時間”，句中謂語動詞常為延續(xù)性動詞。對它提問用howlong。Eg.Ilikerice,butsometimesIthinknoodlesareverydelicious,too.我喜歡米飯，但有時覺得面條也挺好吃。Ihavereadthebooksometimes.It’seducational.我已經(jīng)把這本書讀了幾遍了，它很有教育意義。IwillgotoShanghaisometimenextweek.下周的某個時間我要去上海。I’llstayhereforsometime.我將在這兒待一段時間。【巧學(xué)助記】sometimes，sometimes，sometime與sometime分開一段時間(sometime)，相聚某個時候(sometime)。相連s是有時(sometimes)，分開s是倍、次(sometimes)?！炯磳W(xué)即用】1.Tomoftengoestoschoolbybusbut_____A____hermotherdriveshertoschool.A.sometimes B.sometimes C.sometime D.sometime2.Ihaveeverbeento（去過）Shanghai______C____,Ithinkit’sbeautiful.A.sometimeB.sometimesC.sometimesD.sometime3.hardlyever幾乎從不【用法詳解】hardly作副詞，本身表示否定含義，不能再與否定詞連用（注：hardly不是hard的副詞形式）【易混辨析】hardly與hard單詞詞性用法hardly副詞意為“幾乎不”，表示否定含義，構(gòu)成短語“hardlyever”hard副詞意為“努力地”，構(gòu)成短語：workhard努力工作形容詞意為“困難的；堅硬的”，構(gòu)成短語：hardwork困難的工作【即學(xué)即用】1.TomstudiesB,sohefailstheexam.A.hardly;hardlyB.hard;hardlyC.hard;hardD.hardly;hard2.MydaughterstudiesB.Shegoestosleepbefore11p.m.A.hard;hardB.hard;hardlyC.hardly;hardlyD.hardly;hard4.onceaweek一周一次【用法詳解】onceaweek是表示頻率的短語，常用來回答howoften的提問。其中once作副詞，意為“一次”。Eg.—Howoftendoyougoshopping?你多久去購物一次？—Onceaweek.一周一次【拓展延伸】英語中次數(shù)的表達(dá)法：一次once，兩次twice，三次或三次以上用“基數(shù)詞+times”Eg.threetimes三次tentimes十次還可意為“自由的；免費的”5.…nextweekisquitefullforme,Jack.……我下周相當(dāng)忙，杰克。還可意為“自由的；免費的”【用法詳解】（1）full作形容詞，可意為“忙的”，相當(dāng)于busy，其反義詞是free“空閑的”。Eg.Herlifeistoofulltofindtimeforhobbies.她的生活太忙碌了，沒有業(yè)余愛好的時間。（2）full作形容詞，還可意為“滿的；充滿的”，其反義詞是empty“空的”，befullof意為“充滿”。Eg.Lifeisfulloftheunexpected.生活充滿了意料以外的事情。（3）full作形容詞，還可意為“吃飽了的”，其反義詞是hungry“饑餓的”。Eg.Thankyouforyourdeliciouscake,butIamreallyfull.謝謝你美味的蛋糕，但是我真的吃飽了?！緢D解助記】【即學(xué)即用】Lifeis___C____upsanddowns.Nevergiveup.A.filledof B.fullwith C.fullof D.fillwith6.Oh,Ihavetoplaytenniswithmyfriends.噢，我得跟我的朋友打網(wǎng)球。【用法詳解】（1）haveto意為“不得不；必須”，后面必須跟動詞原形，且haveto有人稱、數(shù)和時態(tài)的變化。含有haveto的句子變否定句或疑問句時要借助助動詞do的適當(dāng)形式。Eg.Shehastolookafterherlittlebrother.她不得不照顧她的弟弟。—DoIhavetodothedishesnow?我現(xiàn)在必須洗碗嗎？—Yes,youdo.是的，你現(xiàn)在必須洗。（2）playtennis打網(wǎng)球（play+棋類/球類名詞）重點Eg.playbasketball打籃球playsoccer踢足球playchess下國際象棋play+the+樂器類名詞重點Eg.playthepiano彈鋼琴playtheguitar彈吉他playtheviolin拉小提琴【即學(xué)即用】LilypracticesplayingDpianoafterschooleveryday.A.aB.anC./D.the7.Igotothemoviesmaybeonceamonth.我可能一個月去看一次電影。【用法詳解】maybe作副詞，意為“也許；大概；可能”【易混辨析】maybe與maybemaybe副詞“大概；也許；可能”，位于句首作狀語Maybesheisadoctor.=Shemaybeadoctor.她可能是一名醫(yī)生。maybemay是情態(tài)動詞“可能是”，maybe為“情態(tài)動詞+動詞原形”，位于句中作謂語【即學(xué)即用】1.___B_____heisill.Sohe________athomenow.A.Maybe;maybeB.Maybe;maybeC.Maybe;mayD.May;maybe2.—Whosebagisit?—___C____itisLily's,becauseshesatonthesofajustnow.A.MayB.MaybeC.Maybe D.Wouldbe8.Shesaysit’sgoodformyhealth.她說那對我的健康有好處?！居梅ㄔ斀狻縝egoodfor意為“對……有好處”，后接名詞、代詞或動詞ing形式，其反義短語為bebadfor“對……有害”【拓展延伸】其他常見的由“begood+介詞”構(gòu)成的短語：begoodat擅長于……后跟名詞、代詞或動詞ing形式作賓語。相當(dāng)于dowellinbegoodto對……友好后面一般接人，相當(dāng)于befriendlytobegoodwith善于應(yīng)付……的后接sb.或sth.e.g.Heisgoodattellingjokes.他擅長講笑話。e.g.Ourheadteacherisgoodtoallofus.我們的校長對我們都很好。e.g.He’sverygoodwithchildren.他和孩子們相處得好。【即學(xué)即用】1.Infact,sugarandsaltarenotgoodBbabies,oryou.A.with B.for C.to D.at9.Wefoundthatonlyfifteenpercentofourstudentsexerciseeveryday.我們發(fā)現(xiàn)只有15%的學(xué)生每天鍛煉?！居梅ㄔ斀狻縫ercent作名詞，意為“百分之……”，單復(fù)數(shù)同形，如：onepercent百分之一thirtypercent百分之三十【拓展延伸】“基數(shù)詞+percent+ofthe+名詞”意為“百分之……的……”，作主語時，謂語動詞的單復(fù)數(shù)取決于of后面名詞的單復(fù)數(shù)?！炯磳W(xué)即用】1.Twentypercentofthestudentsagree(agree)withyou.百分之二十的學(xué)生贊同你。2.Thirtypercentofthetimepasses(pass).百分之三十的時間過去了3.Almostfiftypercentofthestudentsinourclassare(be)bornin2006.4.AboutCthestudentstookpartinthecamp.A.40percentB.40percentsC.40percentofD.40percentsof10.Althoughmanystudentsliketowatchsports,gameshowsarethemostpopular.盡管很多學(xué)生喜歡看體育節(jié)目，但是游戲類節(jié)目卻是最受歡迎的?！居梅ㄔ斀狻縜lthough作連詞，意為“雖然；盡管；即使”，相當(dāng)于though，引導(dǎo)讓步狀語從句【特別提醒】重點：在英語中，表示“雖然……但是……”時，although與but不能同時使用Eg.Althoughthemachineisold,itstillrunswell.→Themachineisold,butitstillrunswell.盡管這臺機器舊了，但是依然運轉(zhuǎn)得很好?！炯磳W(xué)即用】1.___A____thewaterwascold,theyoungmanjumpedintoittosaveothers.A.AlthoughB.WhenC.IfD.Because2.___A____Bobisverytall,________hecan'tplaybasketball.A./;butB.Although;butC.Because;soD./;although3.____B______themanisrich,____________heisnothappy.A.Although;butB.Although;/ C.But;althoughD.Although;so11.It’sgoodtorelaxbyusingtheInternetorwatchinggameshows,butwethinkthebestwaytorelaxisthroughexercise.通過使用互聯(lián)網(wǎng)或看游戲類節(jié)目來放松很好，但是我們認(rèn)為通過鍛煉是最好的放松方式?！居梅ㄔ斀狻浚?）through作介詞，表示方式，意為“以；憑借”，還可意為“穿過；通過”，多指穿過門、窗、洞、森林、城市、隧道等。Eg.IknewthisnewsthroughtheInternet.我是從互聯(lián)網(wǎng)上知道這個消息的。TheRiverThamesflowsthroughLondon.泰晤士河流經(jīng)倫敦。（2）thebestwaytodosth做某事最好的方式Eg.ThebestwaytolearnEnglishistohaveagoodenvironment.學(xué)習(xí)英語最好的方法是有一個良好的環(huán)境?！疽谆毂嫖觥恐攸c：across,through,over與crossacross介詞從事物表面橫過Iwentacrosstheroad.我穿過馬路。through從事物內(nèi)部穿過Thethiefgotinthroughthewindow.小偷是從窗戶進(jìn)來的。over從事物上方越過Sheclimbedoverthewall.她翻過墻去。cross動詞相當(dāng)于goacrossHecrossedtheAtlantictwice.他兩次橫渡大西洋?！炯磳W(xué)即用】1.Theoldmanisagoodswimmer，andevennowheoftenswims___B____TuojiangRiveraftersupper.A.overB.throughC.crossD.across2.Ileftmykeysintheroom.IwanttogetinBthewindow.Oh,it'stoodangerous.You'dbetterwaitforyourmothertoeback.A.acrossB.throughC.pastD.over12.Exercisesuchasplayingsportsisfun,andyoucanspendtimewithyourfriendsandfamilyasyouplaytogether.像做體育運動這樣的鍛煉是很有趣的，當(dāng)你和朋友、家人一起運動的時候，你們可以度過一段時光?！居梅ㄔ斀狻浚?）suchas與forexample（例如）suchas通常用來例舉同類人或事物中的幾個例子，其前一般用逗號隔開forexample一般只例舉同類人或事物中的一個，用逗號與前后隔開，可置于句首、句中或句末Eg.Theboyisunhappybecausehehasnofriends.這個男孩不開心，因為他沒有朋友。Iliketheboybecauseofhiskindnature.我喜歡這個男孩，因為他天性善良。sbspend+時間/金錢+onsth某人花費多少時間/金錢在某物上sbspend+時間/金錢+sbspend+時間/金錢+onsth某人花費多少時間/金錢在某物上sbspend+時間/金錢+（in）doingsth某人花費多少時間/金錢做某事Eg.IspentamonthinShanghailastsummer.去年夏天我在上海待了一個月。Ispent150yuanonthispairofshoes.我花了150元買這雙鞋子。Weshouldspendmoretimeonourstudy.我們應(yīng)該花費更多的時間在我們的學(xué)習(xí)上。Hespenthiswholelifeunderstandingtheuniverse.他花費了一生去了解宇宙?！炯磳W(xué)即用】1.Shedoeswellinmanysubjects,Cmath,physicsandChinese.A.so B.because C.suchas D.forexample2.Mr.Smithspendstwohoursreading(read)booksaday.13.Janeisa16yearoldhighschoolstudentintheUnitedStates.簡是一名16歲的美國中學(xué)生?！居梅ㄔ斀狻?6yearold意為“十六歲的”→復(fù)合形容詞（是由兩個或兩個以上的單詞構(gòu)成，詞與詞之間常加連字符“”），此處，16yearold是由“基數(shù)詞+名詞（單數(shù)）+形容詞”構(gòu)成的復(fù)合形容詞，常用在名詞前作定語，而16yearsold是名詞短語，常用作表語。Eg.Ihavea16yearoldsister.我有一個16歲的姐姐?！鶰ysisteris16yearsold.我的姐姐16歲了?！炯磳W(xué)即用】1.WuDajing,aCChineseskater,setanewworldrecordattheShortTrackWorldCuplastyear.A.25yearsoldB.25yearoldC.25yearold D.25yearsold課堂小測一、單項選擇1.MymothertoldmenottospendtoomuchtimeAputergames.

A.playing B.toplayC.play D.played2.CLilyisonlyfiveyearsold,shecanswimverywell.A.Although;butB.Because;soC.Although;/D.So;/3.—Excuseme.Canyoutellmethewaytothepostoffice?—Sorry,Iamnewhere.Dyoucanaskthepolicemanoverthere.Heknow.A.May;maybe B.May;may C.Maybe;maybe D.Maybe;may4.CAmericanpeopleandBritishpeoplespeakthesamelanguage,theirculturesarequitedifferent.A.Since B.If C.Although D.Because5.TheQiangxiRiver,abeautifulriver,runs___B_____thecityofTaixingandtherearesomebeautifulbridges________theriver.A.across;through B.through;over C.through;through D.over;across6.Sixty___B_____ofthehousework________donebyrobots.A.percent;are B.percent;is C.percents;are D.percents;is7.It'sagoodway___C_____Englishby________toEnglishsongs.A.tolearn;tolisten B.learning;listeningC.tolearn;listening D.learning;tolisten8.Leowasso____B_____thatherushedtothekitchen,hopingtofindsomethingtoeat.A.thirsty B.hungry C.tired D.sleepy9.﹣CanyoucatchwhatIsaid?﹣Sorry,Ican____D_____understanditbecauseyouspeakveryquickly．A.almost B.probably C.mostly D.hardly10.—Howmanytimeshaveyoureadthisnovel?—___D____.A.Two B.Second C.Threetime D.Twice11.Colais___C____,andit’snotgoodforyour________.A.healthy;health B.unhealthy;healthy C.unhealthy;health D.health;health12.—WhatisTominterestedin?—Heisinterestedinsports,__A___basketball,tennisandpingpong.A.suchasB.atleastC.becauseofD.forexample13.—CanyougoswimmingwithmenextSunday?—Sorry,nextweekisDforme.A.freeB.goodC.enoughD.full14.—Lindacan’tplaysocceratall.—CSoccerisherfavoritesport.A.That’stoobad. B.eon! C.Howe? D.That’sright.15.JaneAstayuplatebecauseshedidn’tfinishherhomework.A.hadto B.can C.shouldD.mustto二、用所給詞的適當(dāng)形式填空1.Heusually__stays_____(stay)athomeonweekends.2.Fifteenpercent(percent)ofthevisitorsarefromforeigncountries.3.Don'tworry,Mom.Iamoldenoughtolookaftermyself(my).4.Brushyourteethatleasttwice(two)aday,inthemorningandbeforebedtime.5.Itisgoodtolookforinformationbyusing(use)theInternet.6.Thebestwaytolearn(learn)Englishisthroughreadingloudly.7.Thegirlisn'thealthy(health)becauseshedoesn'tliketoexercise.8.Iplayfootballatleast(little)onceaweek.9.Eatingtoomuchjunkfoodisbadforstudents'bodies(body).10.Howmany___times____(time)doyouseeyourgrandparentsamonth?三、漢譯英：單詞/短語/句子1.他做運動至少一周兩次。Heplayssports__at_________least____twiceaweek.2.我每周鍛煉三次。Iexercise___three_____times___aweek.3.多吃蔬菜和水果對你的健康有益。It___is________good_______for___yourhealthtoeatmorevegetablesandfruit.4.他幾乎不看電視。He___hardly______ever___watchesTV.5.我懂四種語言，比如日語和英語。Iknowfourlanguages,___such________as____JapaneseandEnglish.6.吃太多垃圾食品對我們是不健康的。It’sunhealthyforustoeattoomuch___junk________food____.7.我的妹妹會跳搖擺舞。Mysistercan___swing______dance___.8.盡管彈鋼琴很難，但是我不會放棄。Althoughplayingthepianoisdifficult,butIdon’tgiveup.語法精講語法精講 一、頻度副詞一、語法概述頻度副詞表示某一動作或狀態(tài)出現(xiàn)的頻率，即在一定時間內(nèi)某一動作或狀態(tài)重復(fù)出現(xiàn)的次數(shù)，常用來回答howoften的提問。二、頻度副詞的種類1.不表示具體次數(shù)的頻度副詞（按頻率從高到低排列）always（100%）always（100%）usually（80%）often（60%）sometimes（40%）hardlyever/seldom（20%）never（0%）經(jīng)常有時總是通常經(jīng)常有時總是通常從不幾乎不/很少從不幾乎不/很少2.表示具體的頻率、次數(shù)時，通常用onceaweek（一周一次），twiceamonth（一月兩次），threetimesayear（一年三次）等?！咀⒁狻縪nceortwice一兩次twoorthreetimes兩三次threeorfourtimes三四次【即學(xué)即用】1.—Doyouoftengotothegym?—No,___B_____.Idon’tlikesportsatall.A.always B.never C.sometimes D.usually2.Idon’tthinkfastfoodisgoodforourhealth,soI__A____gotoMac Donald.A.hardly B.always C.usually D.often3.Mr.LiuBwatchesTV.HethinkswatchingTVisawaste(浪費)oftime.A.often B.seldom C.always D.usually4.Bobdislikescoffee,sohealmostCdrinksit.A.often B.always C.never D.ever三、頻度副詞的位置頻度副詞一般放在實義動詞前，be動詞、助動詞、情態(tài)動詞之后（實前be情助后），有時為了強調(diào)，頻度副詞也可位于句首。?I’malwayshappytoseeher.我見到她總是很開心。?Shedoesn’talwaysgotoschoolbybus.她并不總是乘公共汽車去上學(xué)。?Icanneverforgetit.我永遠(yuǎn)不會忘記這件事。?Usuallywehavelunchatschool.我們通常在學(xué)校吃午飯。四、對頻度副詞的提問重點對頻度副詞進(jìn)行提問常用疑問詞組howoften，表示“多久一次”?！炯磳W(xué)即用】1.Millie,DdoyoutakethecourseinDIY?EverySaturdayafternoon.A.howlong B.howfar C.howmuch D.howoften二、由how構(gòu)成的特殊疑問詞組短語含義用法答語howfar多遠(yuǎn)提問距離It’s+5meters/10minutes’walk等表距離的詞語howlong多長提問時間for/about+時間段提問物體長度10km等表示長度的詞語howsoon多久以后提問時間in+時間段howoften多久一次提問頻率once,twice,always等表示頻率的詞語howold多大提問年齡12yearsold等表示年齡的詞語howmany多少對可數(shù)名詞的數(shù)量進(jìn)行提問100等具體的基數(shù)詞或several等修飾可數(shù)名詞的詞語howmuch多少對不可數(shù)名詞的數(shù)量進(jìn)行提問alotof,3glasses(of)等用于表達(dá)不可數(shù)名詞的量的詞語多少錢提問價格5dollars,2yuanakilo等表示價格的詞語語法小測一、單項選擇1.—Mike,Ddoyouhaveahealthexamination?—Onceayear.A.howlong B.howmany C.howmuch D.howoften2.—Howoftendoyougotothecinema?—D.Ionlywatchmoviesathome.Always B.Usually C.Sometimes D.Never3.EveryyearthousandsoftouristsCthemountainareatorelaxthemselves.A.visited B.werevisitingC.visit D.havevisited4.We'llhavetosaygoodbye,mydearfriends!ButIwillCforgetthedayswespenttogether.A.always B.often C.never D.usually5.—____A____doyouhavedinnerwithyourfamilyatrestaurants?—Hardlyever.A.Howoften B.Howlong C.Howmany D.Howmuch6.—Doesyourbrotherplaysoccer?—No.He___C_____playsitbecauseheislazyenough.A.often B.always C.hardlyeverD.sometimes7.____D____monkeysarethereinthezoo?A.Howoften B.Howlong C.Howmuch D.Howmany8.—____B____isitfromyourschooltothebusstop?—It’sabout5minutes’walk.A.Howoften B.Howfar C.Howlong D.Howsoon9.—____C____saltdoyouneedtocookCapsicumFriedMeat（辣椒炒肉）?—Twoteaspoons.A.Howmany B.Howfar C.Howmuch D.Howold10.Janeusuallywalkstoschool,but___C____shegoestoschoolbybus.A.sometime B.sometimes C.sometimes D.sometime11.DavidiscrazyaboutChinesehistory.He___D____visitsth