【沪教】八上英语知识清单讲练测Unit 7 知识清单

第②makeashoppinglist,意为“列购物清单”。Let’smakeashoppinglistbeforewego,shallwe?让我们出发前列一张购物清单，好吗？2）作为及物动词，意为“列清单”。Pleaselistthethingsweneedbeforewesetout.请在我们出发前把我们需要的物品列一张清单。【典例分析】1.请列出有喜欢的食物清单。Please_______________________________your

favourite

food.

=Please___________your

favourite

food【答案】makealistof(列一张)……的清单list列清单2.这里是购物清单。Here

is

the

__________________.

【答案】shopping

list.List名词“清单”03素养提升If引导的条件状语句◆◆引导条件状语从句最常用的连词是if。if引导的条件句有真实条件句和非真实条件句两种（非真实条件句会在以后的虚拟语气中阐述），其引导的真实条件状语从句表示在某种条件下某事很可能发生。1)如果if条件句讲述自然规律，肯定会发生的事情或客观事实，主句和if从句都用一般现在时态。（主现从现）Ifyoutakeafishoutofwater,itdies.如果把鱼从水中拿出，它会死。2)

在if引导的条件状语从句中，谈论将来可能出现的情况时，（主现从现）Ifyouputapieceofpaperintowater,itgetswet.如果你把一张纸放进水中，它会变湿。（主将从现）I’llbuyacarifIhaveenoughmoney.如果我有足够的钱，我会买一辆车。（主祈从现）Becarefulwhenyoucrosstheroad.过马路时要小心。Putupyourhandifyouhaveanyquestionstoask.如果你们有问题要问的话，请举手。(主情从现)IfIgetthereearly,Icanseethedoctorquickly.如果我早早地到那里，我就可以快点看病。【注意】此处if引导的从句，还可由when，assoonas(一…就…),（not）…until（直到…才），unless(除非)来引导。Thetrafficmuststopwhenthelightarered.当红灯亮时，交通必须停止。Iwillgohomeassoonasitstopsraining.雨一停我就回家。Pleasedon’tleavetheofficeuntilyourfriendcomesback.请不要离开直到你朋友回来。Unless引导的条件状语从句◆◆unless引导的条件状语从句：unless=if…not“除非,如果不”①Let'sgooutforawalkunlessyouaretootired.=Ifyouarenottootied,let'sgooutforawalk.我们出去散步吧，除非你太累②Youwillfailtoarrivethereintimeunlessyoustartearlier.=Ifyoudon’tstartearlier,youwillfailtoarrivethereintime.如果你不早点动身,你就不能及时赶到那儿。③Unlessitrains,thegamewillbeplayed.=Ifitdoesn’train,thegamewillbeplayed.除非下雨,比赛将照常进行。④Mybabysisternevercriesunlesssheishungry.=Mybabysisternevercriesifsheisn’thungry.我的妹妹不会乱哭，除非她饿了。◆◆位置：由if引导的条件状语从句，可放在主句前面或后面。Ifwegotothebeach,weneedtotakesuncream.=Weneedtotakesuncreamifwegotothebeach.如果我们去海滩，我们需要带上防晒霜。If引导的条件状语从句，表示可能的结果（主将从现）考题呈现1：请用横线划出一下句子中的条件状语从句：1.Ifyouworkhard,youwillcatchupwithothers.2.Youwillmissthetrainifyoudon’thurry.3.Wewillnotgotothezooifitrainstomorrow.锦囊1学会区别主句和if引导的条件状语从句：当条件状语从句位于主句之前时，从句和主句之间需用__________（标点符号）隔开；当从句位于主句之后时，则不需要。【答案】1.Ifyouworkhard,youwillcatchupwithothers.2.Youwillmissthetrainifyoudon’thurry.3.Wewillnotgotothezooifitrainstomorrow.逗号考题呈现2：单项选择1.I’llgoswimmingwithyouifI__________freetomorrow.A.willbeB.shallbeC.wasD.am锦囊2if引导的条件状语从句的时态：在if引导条件状语从句中，如果主从句描述的是将来要发生的动作或事情时，主句用__________（时态），从句用__________（时态），简称__________。注意：有同样用法的状语从句还有：__________，until和assoonas引导的时间状语从句。【答案】一般将来时，一般现在时，主将从现。考题呈现3：用所给词的适当形式填空：1.Where__________he__________(cansee)thefilmifhe__________(have)time?2.Ifthere__________(be)fewertrees,there__________(maybe)morepollution.3.He__________(candress)morecasuallyifhe__________(notwork)atweekends.4.I__________(cannotwatch)TVuntilmymotheragreeswithme.5.IwillcallyouwhenI_________(arrive).【答案】1.willseehas2.aremaybe3.candressdoesn’twork4.can’twatch5.arrive锦囊3当主句中的谓语是由can,may,must等_________动词加动词原形构成时，if引导的条件状语从句可用—_______（时态）表将来，可总结为“主情从现”.【答案】情态动词一般现在时。If引导的条件状语从句，表示必然的结果(主现从现)考点呈现4Theice_______intowaterifyou________it.A.willturn,heat B.willturn;willheat C.turns;hea D.turns;willheat2.Ifyou_______anytrouble,________meknow.A.have,let B.willhave,let C.have,willlet D.willhave,willlet锦囊4当从句中的动作发生，主句的动作必然发生时，主句用__________（时态），从句用_________（时态），简称“主现从现”。还有“主祈从现”【答案】1.C2.A一般现在时，一般现在时。Unless引导的条件状语从句锦囊5unless=if...not，除非；如果不1.Unlessyoustartrightnow,youwillnotgetthereintime.(同义改写)【答案】Ifyoudon’tstartrightnow,youwillnotgetthereintime.2.Youwillgetatoothacheifyoudonotbrushyourteetheveryday.(同义改写)【答案】Unlessyoubrushyourteetheveryday,youwillgetatoothache2.Youwillnotgetthereintimeunlessyoustartrightnow.【答案】unless=if...not，除非；如果不。Youwillnotgetthereintimeifyoudon’tstartrightnow.【典例分析】一、用if或unless填空。1.______hewantstoseeme,youcantellhimtowait,2.______itsnowstomorrow,we'llhaveadayortwooff.3.Wewon'tgotohisparty______heinvitesus.4.Sheissuretopasstheexamination______sheisill.5.I'lltakethatcomputer______Ihaveenoughmoney.6.______mygrandmawearsglasses,shecanseebetter.7.Iwon'tbuythatbackpack______itcostslessthan￥20.8.______I'mtired,I'llhavearestfortea.二、选择填空1.Ifyou_____tojoinaneducationalexchange,youmustapplyforitfirst.A.want B.wanted C.wants D.wanting【答案】A【解析】句意：如果你想参加教育交流，你必须先申请。条件状语从句，“主情从现。”2.Inhotweather,foodgoesbadeasily______itiskeptinthefridge.A.because B.if C.unless D.since【答案】C【解析】句意：在炎热的天气里，食物除非放在冰箱里，否则很容易变质。A.因为B.如果C.除非D.因为自从。3.—MayIplaythecomputergame?—No,_____youpromisetofinishyourhomeworkfirst.A.unless B.if C.but D.so【答案】A【解析】句意：我可以玩电脑游戏吗？不，除非你答应先完成作业。4.They____theGreatWallunlessit_______.A.willvisit;willrain B.willvisit;rains C.visit;willrain D.visit;rains【答案】B【解析】句意：除非下雨，否则他们将参观长城。“主将从现”5.Ifyoutakethefishoutthewater,it________.A.dies B.willdie C.died D.isdying【答案】A【解析】句意：如果你把鱼从水里拿出来，它会死。这是一个表现普遍规律的，所以主句用一般现在时态；因主语是it单三，所以谓语动词用单数形式；故选A6.Ifyou_____tojoinaneducationalexchange,youmustapplyforitfirst.A.want B.wanted C.wants D.wanting【答案】A【解析】句意：如果你想参加教育交流，你必须先申请。条件状语从句，“主情从现。”三、用括号内所给动词的正确形式填空。1.Ifhe(come)tonight,hewillmeetyouattheparty.2.Iftheweather(get)worse,wewillhavetostayinside.3.Iftherain