新版深圳牛津-七下-unit-6-electrivity-語法、句型、習(xí)題

U6語法U6語法一、情態(tài)動詞的定義情態(tài)動詞是一類用于表示說話人的語氣和情態(tài)的助動詞。常表示命令、請求、拒絕、義務(wù)、可能、需要等。二、情態(tài)動詞的特點(diǎn)1.情態(tài)動詞無人稱和數(shù)的變化,2.情態(tài)動詞后面跟的動詞需用原形,否定式構(gòu)成是在情態(tài)動詞后面加"not"。3.個別情態(tài)動詞有過去式,過去式用來表達(dá)更客氣,委婉的語氣,時態(tài)性不強(qiáng),可用于過去，現(xiàn)在。三、情態(tài)動詞的用法1.can/could；can’t/couldn’t(否定)1)表示能力,意為“能、會”,例如：IcanspeakalittleEnglish.--Canyourideabike?Ican’tswim.--Yes,Ican./No,Ican’t.2)表示請求或允許，多用于口語中，意為“可以、能”等Youcangohomenow.現(xiàn)在你可以回家了--CanIborrowyourbike?Youcan’tstopyourcarhere.--Yes,youcan./No,youcan’t.3)用于否定句、疑問句中，表示猜測、懷疑或不肯定.Lucycan’tbeathomenow,shewenttotheparkjustnow.Wherecanitbe?Ican’tfindmyfootball.【注意：】1）.could是can的過去式,有兩種用法,一種表示過去式；一種用來表達(dá)更加客氣,委婉的語氣,時態(tài)性不強(qiáng),可用于過去，現(xiàn)在。2）.beableto意為“有能力，能夠做...”,相當(dāng)于can/could,但它有人稱，數(shù)和時態(tài)的變化。2.may;maynot(否定)1)表示“請求，許可”，此時與can同義，可以互換使用MayIborrowyourbike?CanIborrowyourbike?Yes,youmay./No,youmaynot.Yes,youcan./No,youcan’t.2)may/might表示不太肯定的猜測，意為“有可能”Lucymaycometoschoollatetoday.Itmightraintoday.【注意】：might是may的過去式,有兩種用法,一種表示過去式，一種表示更加委婉,客氣的語氣或?qū)赡苄缘膽岩伞?.must;mustn’t(否定)1)must(“必須”,表示命令)，mustn’t(“一定不能”,表示強(qiáng)烈禁止...)Youmustgotobedbefore22:00pm.Youmustn’tplaywithfire.It’sdangerous!--MustIwritedownthesentences？--No，youneedn’t.(--No,youdon’thaveto)注意：在回答must的疑問句中，否定回答用needn’t或don’thaveto表示“不必”，不用mustn’t2)must還可以表示非?？隙ǖ牟聹y，意為“一定”ThegirlinaredskirtmustbeLucy.3)must/haveto的區(qū)別：=1\*GB3①.must表示必須，強(qiáng)調(diào)主觀上的愿望；haveto表示“不得不”，強(qiáng)調(diào)客觀需要Youmustgobebedbefore22:00pm.Mybikeisbroken,soIhavetogotoschoolonfoot.=2\*GB3②.haveto有人稱、數(shù)、時態(tài)的變化；must則沒有。Ihavetocleantheclassroomtoday.Shehastofinishherhomeworkfirst.Itwaslate,hehadtogotoschoolwithoutbreakfast.【習(xí)題】1.--MustIfinishtheworktoday?--No,you.Youcanfinishittomorrow.A.mustn’tB.can’tC.shouldn’tD.needn’t2.--Iswimhere?--I’msorry.Childrenswimalonehere.A.Mustcan’tB.MaymustC.Canmustn’tD.Can’tcan3.--MengFeibrokehisarmwhilerecordingIfYouAreTheOneinBeijing.--Really?ThenperhapshehostTVprogrammesforsometime.A.needn’tB.mustn’tC.shouldn’tD.can’t4.--Whatdoyouwanttoeatforlunch?Iwillprepareearliertoday.--Honey,you.Let’sgoouttohavesomethingdifferent.A.mustn’tB.can’tC.shouldn’tD.don’thaveto5.Thomas,pleasebequiet.Theothershearverywell.A.can’tB.mustn’tC.shouldn’tD.needn’t6.--Yousee,amaniscuttingatreeontheMoon.--Itbetrue.Theteachersaysthereisnoaironthemoon.A.can’tB.maynotC.shouldn’tD.mustn’t7.--CanIgofishingwithyou,Dad?--No,you.Youstayathomeanddoyourhomeworkfirst.A.won’tmayB.can’tmustC.shouldn’toughtD.needn’tshould8.Annahasn’tcometoschooltoday.Ithinkshebeill.A.canB.hastoC.mayD.should9.--FiftydollarsforsuchaT-shirt!Youbejoking!--I’mserous.It’smadeofsilk.A.mustB.needC.mayD.can10.______Igoandapologizetomyteacherformymistake?A.ShouldB.NeedC.CanD.May11.MayIstopmycarhere,sir?--No,you_____.A.maynotB.mustn’tC.can’tD.needn’t12._____Ichangethebulb(燈泡)now?--No,youmaynot.You_____switchofftheelectricity.A.Can;needB.May;mustC.Must;mustD.Can;must13.John____cometoseeustonight,butheisn’tverysureyet.A.mayB.canC.hastoD.must14.Mymotherisill.SoI_____tolookaftermylittlebrother.A.mustB.mayC.havetoD.should15.I’mafraidit_____raintonight.A.canB.couldC.maybeD.mightU6句型U6句型I’mgoingtobuyapacketofsweets.apacketof一袋。其后可接可數(shù)名詞復(fù)數(shù)或不可數(shù)名詞用來表示數(shù)量。不可數(shù)名詞沒有復(fù)數(shù)形式，在表示數(shù)量時，常用“a+單位量詞+of+不可數(shù)名詞”結(jié)構(gòu)。a+單位量詞+of+不可數(shù)名詞apieceofmeat;apieceofpaper;aglassofapplejuice;abagofmilka+單位量詞+of+可數(shù)名詞復(fù)數(shù)abasketofeggs;abagofapples數(shù)詞+單位量詞+of+不可數(shù)名詞twoglassesofwater;threecupsoftea數(shù)詞+單位量詞+of+可數(shù)名詞復(fù)數(shù)twopacketsofsweets;threebagsofpencilsItislikewater,inaway…itaway在某種程度上Inaway,youareright.在某種程度上,你是對的.與way的相關(guān)短語:Intheway妨礙;擋道Hishobbysometimesgetsinthewayofhisstudies.有時他的愛好妨礙了他的學(xué)業(yè).ontheway在途中;在路中Heisonthewaytoschoolnow.他現(xiàn)在在上學(xué)的途中.bytheway順便問一下Bytheway,whoisTom?順便問一下,誰是湯姆?alltheway一直Hestudiesharealltheway.他學(xué)習(xí)一直很努力.Electricitycomesintoourflatthroughthinwires.電通過細(xì)電線進(jìn)入我們的公寓.comeinto進(jìn)入……之內(nèi)Watercomesintoourhousesthroughpipes.Theseareconnectedtocablesunderthestreet…connect連接…常用結(jié)構(gòu):beconnectedtosth.連接到……;connectsth.to/with…把…和…連接起來.TurnonyourcomputerandconnectittotheInternet.TherailwaylineconnectsWuhantoShanghai.Amomentlater,Daisycameback.(1)moment可數(shù)名詞,意為”瞬間;片刻”I’dliketotalktoyouforamoment.與moment相關(guān)的短語:amomentago剛剛;剛才Hewashereamomentago.atthemoment現(xiàn)在;此刻Heisathomeatthemoment.③waitamoment等一會兒Waitamoment,please.later副詞,意為”后來;以后”Batteriesprovidetoycarswith…providesb.withsth.供應(yīng)給某人某物Thesunprovidesuswithlightandheat.“為某人提供某物”還可以用providesth.forsb....speakasmanylanguagesasLo.…說和Lo一樣多的語言.“asmany+復(fù)數(shù)名詞+as”意為”和……一樣多的…”Ihaveasmanybooksasyou.我和你有一樣多的書.“asmuch+不可數(shù)名詞+as”意為”和…一樣多的…”MybrotherdrinksasmuchmilkasIeveryday.sharecupswithothers與別人合用杯子sharesth.withsb.與某人合用/分享某物L(fēng)ucysharesabedroomwithLily.露西和莉莉合用一間臥室.Keeptheoutsideofthepotdry.讓鍋的外表保持干燥。(1)“keep+sb./sth.+形容詞”意為“讓某人/某物保持某種狀態(tài)”。(2)keepdoingsth.連續(xù)不斷地做某事，一直做。強(qiáng)調(diào)不斷重復(fù)的動作。LiLeikeepsbuyingbooksaboutcars.李雷不斷地買有關(guān)車的書。(3)keepsb./sth.doingsth.讓某人不斷地做某事(4)keepsb.fromdoingsth.阻止某人做某事Wemustkeepthemfromgettingtoknowourplans.我們必須防止他們知道我們的計劃?！璪ecauseitmightstartafire.……因為它可能會引起火災(zāi)。might情態(tài)動詞，意為“可能，也許”。I’mafraiditmightraintoday.恐怕今天會下雨。Standatleastonemetreawayfromthemicrowavewhenitison.atleast至少Achildmustsleepatleasteighthoursaday.與least有關(guān)的短語：(1)notintheleast一點(diǎn)也不Heisnotintheleastworriedabouthisfuture.他一點(diǎn)也不擔(dān)心他的未來。(2)leastofall最不……的Nobodycared,leastofallmylittlesister.沒有人在意，更不用說我的小妹妹了?！璵akesureitismicrowavesafe.……確保它適用于微波爐。Makesure務(wù)必，確信一、單選1. Mummakesmeeatanappleeveryday______thedoctoraway.A.keepsB.iskeptC.tokeepD.kept2. Farmershavebecome______inourhometowninrecentyears.A.moreandmorerichB.richerandricherC.morerichandmorerich3. Withthehelpofthenewtechnology,you_____e-mailyourfriendsbymobilephone.A.canB.mustC.needD.should4. ----_______Iswimhere?----I’msorry.Children_____swimalonehere.A.Must;can’tB.May;mustC.Can;mustn’tD.Can’t;can5. You_____jumpontoabuswhileitisstillmoving.Itistoodangerous.A.canB.mustC.can’tD.mustn’t6. ---CanhespeakEnglish?7. ----________.A.Yes,hedoesB.Yes,hedidC.Yes,hecanD.Yes,hemust8. _______callmeMimi!It’smycat’sname.A.NotB.Doesn’tC.Don’tD.Benot9. Look,thedininghallisrighton______sideofthestreet.A.anotherB.otherC.theanotherD.theother10. ---WhatcanIdoforyou?---I’dliketwo_______.A.packetofteaB.packetsofappleC.packetsofteaD.packetofapples11. It’stoolate.It’stimetogotobed.Lily,______theTV.A.switchonB.switchoffC.turnupD.close12. Thecomputerisconnected_______amachine.A.atB.toC.onD.in13. Iaskedhimtwice.Buthedidn’t______myquestions.A.answersB.answertoC.replyD.replyto14.