新人教八下英语语法归纳+每日一练

新人教八年级下册英语语法归纳+每日一练语法框架总览单元核心语法点重点标记动词不定式作宾语/状语(todo)◉不定式用法情态动词表建议(should/could);反身代词◉建议句型让步/时间/目的状语从句(although/until/sothat)④状语从句U4TheWondersofNature形容词/副词比较级和最高级;数词表达◉比较等级过去进行时(was/weredoing);when/while◉过去进行时U6CrossingCultures连词(so...that/unless/assoonas)④逻辑连词现在完成时(already/yet/never/ever)◉完成时核心现在完成时(since/for);持续性用法◉since/for一、动词不定式作宾语核心结构：want/hope/decide/begin/need/learn/agree+todosth.✅Iwanttolearntoplaytheguitar.(我想学弹吉他。)✅Shedecidedtojointheartclub.(她决定加入艺术俱乐部。)⚠⚠注意：有些动词后面接不定式，有些接动名词，需要分别记忆。如enjoy/practice/finish后面只能接动名词(doing)。结构：todo/inordertodo表示目的。✅Hestudieshardtogetgoodgrades.(他努力学习为了取得好成绩。)✅Shegotupearlytocatchthefirstbus.(她早起为了赶上第一班公交车。)1.Iwant(learn)toplaythepiano.2.Shedecided(take)atriptoBeijing.3.Hestudieshard(pass)theexam.4.Mymothertoldme(notplay)computergamestoomuch.5.句型转换：Shegotupearlysothatshecouldcatchtheearlybus.(改为简单句)Shegotupearlytheearlybus.6.单项选择：—What'syourplanfortheweekend?—Ihopeavolunteer.7.翻译：他们早起为了赶上火车。一、情态动词表建议(should/could)should+动词原形：表示"应该"，用于提出建议或义务。could+动词原形：表示"可以"，语气比should更委婉。✅Youshoulddrinkmorewater.(你应该多喝水。)✅Youcouldtrytorelax.(你可以试着放松一下。)⚠否定式：shouldn't/couldn't(建议语气)。二、反身代词myself,yourself,himself,herself,itself,ourselves,yourselves,themselves常用短语：byoneself(独自)；enjoyoneself(玩得开心)；teachoneself(自学)；helponeselfto(随便吃)。1.You(should/shouldn't)stayuplate.It'sbadforyourhealth.2.Shetaught(she)howtocook.3.—CouldIuseyourcomputer?—Ofcourse,you.4.Theyenjoyed(they)atthepartylastnight.5.句型转换：5.句型转换：Youshouldeatmorevegetables.(改为否定句)Youeatmorevegetables.6.单项选择：—Ihaveaheadache.—Youseeadoctor.A.shouldB.couldC.mightD.would7.翻译：你应该自己完成作业。Unit3GrowingUp状语从句(although/until/sothat)although/though：引导让步状语从句，意为"虽然"，不能与but连用。until：引导时间状语从句，"直到...为止"；not...until"直到...才"。sothat：引导目的状语从句，"以便，为了"。✅Althoughheisyoung,heknowsalot.(虽然他年轻，但他知道很多。)✅Ididn'tgotobeduntilIfinishedmyhomework.(我直到完成作业才睡觉。)✅Shegotupearlysothatshecouldcatchthebus.(她早起为了赶公交车。)1.(Although/But)itrained,wewentout.2.Shewaitedhermothercameback.3.Hegotupearlyhecouldcatchtheearlytrain.4.Ididn'tleaveIfinishedthework.5.合并句子：Heisverybusy.Hehelpshismotherdalthough合并) heisverybusy,hehelpshismotherdohousework.6.单项选择：We'llhaveapicnicitdoesn'traintomorrow.A.althoughB.untilC.sothatD.if7.翻译：尽管他很累，但他仍然继续工作。Unit4TheWondersofNature形容词/副词比较级和最高级比较级：用于两者之间比较，结构为"比较级+than"。最高级：用于三者或以上比较，结构为"the+最高级+in/of...".原级比较：as+原级+as(和...一样)；notas/so+原级+as(不如...)。✅Thismountainishigherthanthatone.(这座山比那座高。)✅Qomolangmaisthehighestmountainintheworld.(珠穆朗玛峰是世界上最高的山。)✅Sherunsasfastasherbrother.(她和她哥哥跑得一样快。)⚠⚠不规则变化：good/well→better→best;many/much→more→most;bad→worse→worst;far→farther/further→farthest/furthest.✅6,300→sixthousandthreehundred1.Thisbookis(interesting)thanthatone.2.Sheisthe(good)studentinourclass.3.Tomrunsas(fast)asJerry.4.8,425读作：thousandfourhundredandtwenty-five.5.句型转换：Thismountainishigherthananyothermountaininthearea.(改为最高级)Thismountainisinthearea.6.单项选择：TheweatherisgettingA.coldandcoldB.colderandcolderC.moreandmorecoldD.coldestandcoldest7.翻译：黄河是中国第二长河。过去进行时过去进行时(was/weredoing)用法：表示过去某一时刻或某一段时间内正在进行的动作。时间状语：atthistimeyesterday,at8:00lastnight,atthattime,when/while引导的从句。✅✅IwaswatchingTVat8:00lastnight.(昨晚8点我正在看电视。)✅Whilemymotherwascooking,myfathercamehome.(当我妈妈正在做饭时，爸爸回家了。)⚠when后通常接短暂性动词，while后接延续性动词；when和while都可以引导时间状语从句，但while强调主从句动作同时发生。1.I(watch)TVwhenyoucalledme.2.Whileshe(read)abook,thephonerang.3.They(play)footballatthistimeyesterday.4.Whatyou(do)whentherainstormcame?5.句型转换：HewassleepingwhenIarrived.(对画线部分提问) washewhenyouarrived?6.单项选择：Idinnerwhenthedoorbellrang.A.haveB.amhavingC.washavingD.7.翻译：昨天这个时候我正在做作业。Unit6CrossingCultures连词连词(so...that/unless/assoonas)so...that："如此...以至于"，引导结果状语从句。unless："除非，如果不"，引导条件状语从句，相当于if...not。assoonas："一...就...",引导时间状语从句。✅TheboxissoheavythatIcan'tcarryit.(箱子太重了，我搬不动。)✅Youwillmissthebusunlessyouhurryup.(除非你快点，否则你会错过公交车。)✅IwillcallyouassoonasIgethome.(我一到家就给你打电话。)1.ThemovieisinterestingIwanttowatchitagain.2.Youwon'tsucceedyouworkhard.4.Hegotuplatehemissedth5.句型转换：Ifyoudon'tstudyhard,youwon'tpasstheexam.(用unless改写)Youwon'tpasstheexamyoustudyhard.6.单项选择：Hewastiredhefellasleepimmediately.A.so;thatB.too;toC.such;thatD.as;as7.翻译：他一到北京就给我打电话。现在完成时(already/yet/never/ever)already：用于肯定句，表示"已经"，通常放在助动词后或句末。yet：用于否定句和疑问句，表示"还；已经"。ever：用于疑问句，表示"曾经"。never：表示"从未"，本身具有否定意义。✅Ihavealreadyfinishedmyhomework.(我已经完成了作业。)✅HaveyoueverbeentoBeijing?(你曾经去过北京吗？)✅Shehasneverseensuchabeautifulview.(她从未见过如此美丽的景色。)⚠现在完成时不能与具体的过去时间状语连用，如yesterday,lastyear等。1.Ialready(finish)mywork.2.—Haveyou(ever/never)beentoShanghai?—Yes,Ihave.3.She(notread)thebookyet.4.Hehas(从不)beenlateforschool.5.句型转换：Shehasalreadyvisitedthemuseum.(改为否定句)Shevisitedthemuseum.6.单项选择：—WhereisTom?—Hetothelibrary.A.hasgoneB.hasbeenC.wentD7.翻译：我已经读过这本小说了。现在完成时现在完成时(since/for)持续性用法since：后接时间点（具体时刻、日期、年份）或从句，表示"自从...以来"。for：后接时间段，表示动作持续了多长时间。持续性动词：be,live,work,study,stay,keep等可与时间段连用。✅IhavestudiedEnglishforfiveyears.(我学了五年英语。)✅Shehaslivedheresince2018.(她自2018年起就住在这里。)✅Theyhaveknowneachothersincetheywerechildren.(他们从小时候就认识。)⚠短暂性动词（如buy,die,leave,borrow,arrive）不能与for/since连用，需要转换为持续性动词。例如：buy→have;die→bedead;leave→beaway;borrow→keep.1.Ihavelivedinthiscity(for/since)tenyears.2.Shehasworkedhere(for/since)2020.3.Hehas(buy/had)thecarforthreeyears.4.Theyhavebeenfriendstheywereinprimaryschool.5.句型转换：Heboughtthecomputertwoyearsago.(改为现在完成时)Hethecomputerfortwoyears.6.单项选择：Mygrandfatherfortenyears.A.hasdiedB.hasbeendeadC.diedD.wasdead7.翻译：我已经学英语五年了。會期末综合提升练习（100分）1.Shedecided(study)abroad.2.You(should/shouldn't)eattoomuchjunkfood.3.I(watch)TVwhenyoucalledme.4.Thismountainis(high)thanthatone.5.Ihave(already/yet)finishedmyhomework.1.Hegotupearlysothathecouldcatchthetrain.(改为简单句)Hegotupearlythetrain.2.Sheisyoung.Sheknowsalot.(用although合并) sheisyoung,sheknowsalot.3.Theywereplayingfootballat3:00yesterday.(改为一般疑问句) theyfootballat3:00yesterday?4.Shehasalreadyfinishedherwork.(改为否定句)Shefinishedherwork.5.Heboughtthecartwoyearsago.(改为现在完成时)Hethecarfortwoyears.1.我早起为了赶上第一班公交车。2.你应该每天锻炼身体。3.尽管他很累，但他继续工作。4.昨天这个时候我正在读一本小说。5.我已经学英语五年了。1.IwantadoctorwhenIgrowup.2.—MustIfinishtheworktoday?—No,you.A.mustn'tB.can'tC.A.watchesB.iswatchingC.waswatchingD.watched4.Thisbookisthanthatone.A.interestingB.moreinterestingC.mostinterestingD.themostinteresting5.—HaveyouevertoBeijing?—Yes,Ihave.1.Iwantlearntoplaythepi2.Sheshouldtoseeadoctor.3.Althoughheistired,buthekeepsworking.4.4.Ihaveboughtthecarfortwoyears.5.Whatwereyoudoatthistimeyesterday?囚囚全册单元练习+综合提升参考答案（汇总）1.tolearn2.totake3.topass4.nottoplay5.tocatch6.A7.Theygotupearlytocatchthetrain.令Unit2参考答案1.shouldn't2.herself3.could4.themselves5.shouldn't6.A7.Youshouldfinishyourhomeworkbyyourself.1.Although2.until3.sothat4.until5.Although6.D7.Althoughhewastired,hekeptworking.令Unit4参考答案1.moreinteresting2