Unit1高频易错点讲解和练习人教版英语八年级下册

八年级英语下册Unit1高频易错点讲解练习一、lie的用法规则变化表示“撒谎”:lie(过去式)____(过去分词)______不规则变化表示“躺/位于”:lie(过去式)_____(过去分词)____lieliedlied（撒谎）lielaylain（躺/位于）现在分词都是【lying】【练习】用lie的适当形式填空，并把句子翻译为中文。1.Look!Thedog_____ontheground.2.LastFriday,she_____inbedalldaylongbecauseofillness.3.Japan_____totheeastofChina.4.Shedidn'twanttoletyoudown.Thatwaswhyshe_____.【答案】1.islying;2.lay;3.lies;4.lied;1.看!狗躺在地上。2.上周五，她因为生病整天躺在床上。3.日本位于中国的东方。4.她不想让你失望。这就是她撒谎的原因。二、tooth单复数tooth(复数)teeth,【把oo变成ee】短语:刷牙brushone'steeth常考的几个相同变化形式的单词:foot(复数)feetgoose(复数)geese三、enough的用法总结①“形/副前名后”:如:足够聪明smartenough走得足够快walkquicklyenough足够的时间enoughtime②句型:It's+adj+enoughforsb.todosth.如:Theboxislightenoughfortheboytocarry.这个盒子足够轻，男孩可以搬。【练习】1.Thereare____inthereadingroom,butmanyofthosebooksaren't___A.enoughbooks;enougheasyB.enoughbooks;easyenoughC.booksenough;easyenoughD.booksenough;enougheasy2.Thesedayslotsofpeopleareworking_____toget_____fortheirliving.A.hardlyenough;enoughmoneyB.enoughhardly;moneyenoughC.enoughhard;moneyenoughD.hardenough;enoughmoney3.Weneedtowalk_____tocatchthebus.A.quickenoughB.enoughquickC.quicklyenoughD.enoughquickly4.ThecarissoexpensivethatIcan'tbuyit.(改为同义句)Thecarisn't___________formetobuy.5.Thegirlisoldenough___(make)herbed.6.她女儿足够大了，可以照顾自己。（句子翻译）Herdaughter____________herself.7.健康取决于食物、锻炼和足够的睡眠。（句子翻译）Healthdependsonfood,exerciseand___________.【答案】1.B2.D3.C4.cheap;enough（解析）考查固定搭配。句意:这辆车太贵了，我买不起。原句中so...that.…意为"太……以至于……"，因为第二句中有not，所以要填入expensive的反义词。cheap:adj.便宜的，句型"It's+adj.+enough+forsb.todo...”,意为对某人来说，做某事太……所以答案是cheap;enough.5.tomake6.isoldenoughtolookafter7.enough;sleep四、in+时间段/for+时间段辨析➡️in+时间段:表明多久，用【howsoon】提问。(1)在多少时间内(用于过去时)如:Hefinishedhishomeworkinhalfanhouryesterday.(2)在多少时间之后(用于将来时)如:Hisfatherwillebackinanhour.➡️for+时间段:表明持续了多长时间，用【howlong】提问。可用于各种时态。(1)Hewillstaythereforaweek.(2)IhavelearnedEnglishforfiveyears.(3)JackstayedinChinaforthreeyears.五、复合形容词辨析a24yearoldboy（一个24岁的男孩），复合形容词的三个特点:(1)数词、名词、形容词之间要用连字符连接。(2)数词后的名词必须用单数形式。(3)复合形容词只能做定语，不能做表语。【练习】1.Wewillhavea______holidayaftertheexam.A.twomonthB.twomonthC.twomonth'sD.twomonths【答案】1.B六、beusedto与usedto的辨析➡️beusedtodoingsth.➡️usedtodosth.①beusedto意为“习惯于……”，其中to为介词，后接名词、代词或动名词;②usedto意为“过去常常”，后接动词原形，表示过去的习惯性动作。两组短语同时考察，有两种考察方式:(1)如:ㄧ___getuplate,butnow|____gettingupearly.考察短语的前一部分，需要注意提示点，用于对比两种情况，以前做的现在不做了，也需要注意空格后的单词形式，若为原形，用短语【usedto】，若为ing形式，则用短语【beusedto】。再比如:Iusetoridemybiketoschool,butIamusedtowalkingtoschoolnow.过去我常常骑自行车去上学，但是现在我习惯于步行去上学。(2)直接给了短语考察后面的动词形式，牢记usedto后为【动词原形】,beusedto后为【动词ing形式】.注意:beusedtodosth.被用于做某事，表示被动【练习】1.Thisplace_________afactorybutnowit'sapark.A.usedtobeingB.usedtobeC.isusedtoD.usingtobe2.Thegirlisusedto_____aftergettingupeverymorning.A.runB.runsC.runningD.ran3.Mygrandfather______liveinthecountryside,butnowhe______livinginthecity.A.usedto;usedtoB.isusedto;isusedtoC.usedto;isusedtoD.isusedto;usedto4.汤姆过去对音乐很感兴趣。Tom______beinterestedinmusic.【答案】1.B2.C3.C4.usedto七、toomuch，toomany与muchtoo的辨析➡️toomuch意为“太多”，既可用作形容词词组修饰不可数名词，也可用作副词词组修饰不及物动词，还可用作名词词组;➡️toomany意为“太多”，修饰可数名词复数;➡️muchtoo意为“太……”，修饰形容词或副词。【练习】选用toomuch，toomany或muchtoo填空。1.I'mafraidthathatis______bigforme.2.It'sbadforyourhealthtoeat_____junkfood.3.Thereare______peopleintheshop.Soit's______crowdedandnoisy.4.Thenewkindofcaris______dear.Idon'thave_______money.A.toomuch;muchtooB.muchtoo;toomuchC.toomuch;toomuchD.muchtoo;muchtoo【答案】1.muchtoo2.toomuch3.toomany;muchtoo4.B八、thanksto与thanksfor的辨析➡️thanksto意为“多亏了……;由于……”，相当于becauseof...或withthehelpof...,，其中to为介词，后接名词或代词;➡️thanksfor意为“为……而感谢”，相当于thankyoufor...，后接名词、代词或动词ing形式。【练习】1.Howcanyoufinishtheworkintwohours?____theteacher'shelp,wecanmakeit.A.ThankstoB.ThanksforC.Because