八年级冀教版英语语法变形专项练习

八年级英语（冀教版）·语法变形专项练习词形转换·用所给词的适当形式填空·语篇填空（共136小题，附答案与易错点）姓名______________班级____________得分____________建议用时45分钟零、词形变化规律速记（先背再做）变化类型规则与后缀例词名→形+ful/+y/+al/+ly/+ous/+lesscare→careful；sun→sunny；nation→national；friend→friendly；danger→dangerous；hope→hopeless形→副+ly（辅音+y结尾变i加ly；le结尾去e加y）quick→quickly；easy→easily；gentle→gently；terrible→terribly；true→truly动→名（人）+er/+or/+ist/双写末辅音+erteach→teacher；visit→visitor；science→scientist；run→runner；win→winner动→名（事）+tion/+sion/+ment/+inginvent→invention；decide→decision；improve→improvement；build→building形→名+ness/+ity/t→cehappy→happiness；able→ability；important→importance；different→difference反义词un-/im-/in-/dis-happy→unhappy；polite→impolite；expensive→inexpensive；honest→dishonest比较等级+er/est；辅+y变i+er/est；重读闭音节双写；多音节加more/mosttall→taller；easy→easier；big→bigger；beautiful→morebeautiful不规则需单独记good/well→better→best；bad→worse→worst；many/much→more→most；little→less→least；far→farther/further→farthest/furthest判定口诀：先看空前后搭配（冠词/介词/than/of/in/所有格/时态标志词），再定词性与形式。介词后、enjoy/practice/mind/finish/keep后一律用动名词；want/decide/hope/ask/tell/It's+adj.+后一律用不定式。一、构词法专练（32小题·按要求写出单词）（A）名词→形容词/形容词→副词1.caren.→__________adj.→__________adv.→__________adj.（粗心的）2.helpn.→__________adj.（有帮助的）→__________adj.（无助的）3.usen.→__________adj.（有用的）→__________adj.（无用的）4.sun→__________wind→__________cloud→__________rain→__________5.healthn.→__________adj.→__________adv.6.luckn.→__________adj.→__________adv.→__________adj.（不幸的）7.noisen.→__________adj.→__________adv.8.friendn.→__________adj.love→__________adj.（可爱的）9.dangern.→__________adj.nation→__________adj.nature→__________adj.10.trueadj.→__________adv.→__________n.（真相）（B）动词/形容词→名词11.teach→__________（教师）sing→__________write→__________run→__________12.visit→__________（参观者）act→__________（男演员）win→__________13.science→__________（科学家）art→__________piano→__________14.invent→__________celebrate→__________educate→__________pollute→__________15.decide→__________discuss→__________（注意-de变-s）16.improve→__________develop→__________agree→__________17.happy→__________n.kind→__________ill→__________sad→__________18.able→__________n.important→__________n.different→__________n.confident→__________n.（C）加前缀构成反义词19.happy→__________lucky→__________usual→__________able→__________20.comfortable→__________necessary→__________important→__________21.polite→__________possible→__________patient→__________（im-/in-）22.honest→__________like→__________agree→__________appear→__________（D）形容词/副词的比较级与最高级23.big→__________→__________thin→__________→__________hot→__________→__________24.easy→__________→__________heavy→__________→__________early→__________→__________25.good/well→__________→__________bad/badly→__________→__________26.many/much→__________→__________little→__________→__________far→__________→__________27.careful→__________→__________important→__________→__________28.quick→__________adv.gentle→__________adv.terrible→__________adv.comfortable→__________adv.29.old→__________/__________（比较级，两种）late→__________/__________（副词，两种含义）30.写出比较级：friendly__________；clever__________；quiet__________；narrow__________31.写出最高级：useful__________；bad__________；far__________；ill__________32.much的比较级是__________；可修饰比较级的词有much/__________/__________/far/alot（任写两个）二、用所给词的适当形式填空（84小题）A组名词的数与所有格（Unit3名词所有格）1.Therearemany__________(box)onthedesk.2.Ihavetwo__________(knife)inmybag.3.The__________(leaf)turnyellowinautumn.4.Howmany__________(child)arethereintheplayground?5.Thosetwo__________(womanteacher)arefromBeijing.6.Webrushour__________(tooth)twiceaday.7.Therearesome__________(sheep)eatinggrassonthehill.8.March8is__________(woman)Day.9.Thisis__________(LucyandLily)room.Theylivetogether.10.Theseare__________(Tom)and__________(Jim)bikes.11.The__________(student)booksareonthedesk.12.Heisafriendofmy__________(father).B组代词（人称/物主/反身/不定代词）（Unit8反身代词）13.Help__________(you)tosomefish,Tom.14.Thechildrenenjoyed__________(they)atthepartylastnight.15.Sheteaches__________(she)Englishathome.16.Mybikeisbroken.MayIuse__________(you)?17.Thisbookisn't__________(I).It's__________(she).18.__________(we)classroomisbiggerthan__________(they).19.Heisoldenoughtolookafter__________(he).20.Thereisn't__________(something)wrongwithmybike.21.Don'tworry.Thereis__________(nothing)seriouswithyourleg.22.Ihave__________(anything)importanttotellyou.23.__________(either)ofthetwins__________(be)goodatdrawing.24.Thegirlistooyoung.Shecan'tdress__________(she).C组形容词与副词的比较等级（Unit5比较级/最高级）25.Tomis__________(tall)thanJim,butJimruns__________(fast).26.Whichis__________(big),thesunorthemoon?27.Thisstoryis__________(interesting)thanthatone.28.Whois__________(good)atEnglish,LilyorLucy?29.It'sgetting__________and__________(cold).Winteriscoming.30.Beijingisoneof__________(beautiful)citiesinChina.31.Heruns__________(fast)inhisclass.32.The__________(much)youpractise,the__________(good)yourEnglishwillbe.33.MyEnglishis__________(bad)thanyours,soImustworkharder.34.Tomisthe__________(two)__________(tall)boyinourclass.35.Pleasespeak__________(loud).Ican'thearyouclearly.36.Heismuch__________(careful)thanhewaslastterm.37.TheYellowRiveristhesecond__________(long)riverinChina.D组动词时态（一般现在/过去/将来/现在完成）（Unit2现在完成时）38.Heoften__________(go)toschoolbybike.39.Listen!Someone__________(sing)inthenextroom.40.They__________(visit)themuseumlastweek.41.—WhereisTom?—He__________(go)tothelibrary.42.I__________(see)thefilmtwice.Idon'twanttoseeitagain.43.She__________(be)ateacherfortenyears.44.We__________(have)apicnicthisweekend.45.Ifit__________(notrain)tomorrow,wewillgoout.46.He__________(buy)anewbikeyesterday.47.—__________you__________(finish)yourhomework?—Yes,I__________(finish)itanhourago.48.Greatchanges__________(take)placeinmyhometownsince2015.49.Hesaidhe__________(will)comebacksoon.50.Mymother__________(cook)dinnerwhenIgothome.51.Theearth__________(move)aroundthesun.52.I__________(notsee)himforalongtime.Imisshimverymuch.E组非谓语动词（不定式/动名词）（Unit6不定式·Unit7动名词）53.Iwant__________(be)adoctorwhenIgrowup.54.It'simportantforus__________(learn)Englishwell.55.Mymotheraskedme__________(clean)myroom.56.Wouldyoulike__________(go)withme?57.Heistooyoung__________(go)toschool.58.Ihavealotofhomework__________(do)tonight.59.Letme__________(help)youcarrythebox.60.You'dbetter__________(notplay)inthestreet.It'sdangerous.61.Ittookmetwohours__________(finish)thework.62.Ourteacheralwaysencouragesus__________(work)hard.63.Weshouldpractise__________(speak)Englisheveryday.64.Heenjoys__________(read)inhisfreetime.65.Thankyoufor__________(invite)metoyourparty.66.Sheisgoodat__________(swim)anddreamsof__________(become)aswimmer.67.I'mlookingforwardto__________(hear)fromyousoon.68.Doyoumind__________(open)thewindow?69.Stop__________(talk)!Theteacheriscoming.70.Remember__________(close)thedoorwhenyouleave.71.Don'tbeafraidof__________(make)mistakes.72.Heusedto__________(be)short,butnowheisverytall.73.Mygrandpaisusedto__________(get)upearly.74.__________(learn)Englishwellisnoteasybutfun.F组情态动词与数词（Unit5情态动词）75.Youmust__________(be)carefulwhenyoucrosstheroad.76.Hecan__________(swim)verywell.77.Students__________(mustnot)runinthehallways.78.Thereare__________(twelve)monthsinayearandDecemberisthe__________(twelve)one.79.Helivesonthe__________(nine)floor.80.Aboutthree__________(hundred)studentstookpartintheactivity.81.__________(thousand)ofpeoplevisittheGreatWalleveryyear.82.Todayismy__________(twenty)birthday.83.Two__________(three)ofthestudentsinourclassaregirls.84.Weshould__________(help)eachotherandlearnfromeachother.三、语篇填空（2篇·20空）用括号内所给词的适当形式填空，注意上下文时态与人称一致。PassageAMySchoolLifeIamastudentinGradeEight.Myschoollifeisbusybut__________(colour).Igetupearlyeverymorningand__________(go)toschoolbybike.Ofallthesubjects,IlikeEnglish__________(well).MyEnglishteacheroftenencouragesus__________(speak)Englishinclass.Sheisvery__________(friend)and__________(patience)withus.Withherhelp,I__________(make)greatprogresssincelastterm.Ithink__________(learn)Englishis__________(use)andfun.IwanttobeanEnglish__________(teach)whenIgrowup.Ibelievemydreamwillcome__________(truth).PassageBKeepSafeSafetyisvery__________(importance)tous.LastMonday,aboy__________(fall)offhisbikeandhurt__________(he)badly.Hisleftlegwas__________(break)andhewassenttohospitalatonce.Weshouldalwaysride__________(careful).It's__________(danger)toridetoofastinthestreet.Wemuststopaccidentsfrom__________(happen).Ifeveryone__________(follow)thetrafficrules,there__________(be)feweraccidents.Let'skeep__________(we)safeand__________(health).

参考答案一、构词法（1–32）1.careful;carefully;careless2.helpful;helpless3.useful;useless4.sunny;windy;cloudy;rainy5.healthy;healthily6.lucky;luckily;unlucky7.noisy;noisily8.friendly;lovely9.dangerous;national;natural10.truly;truth11.teacher;singer;writer;runner12.visitor;actor;winner13.scientist;artist;pianist14.invention;celebration;education;pollution15.decision;discussion16.improvement;development;agreement17.happiness;kindness;illness;sadness18.ability;importance;difference;confidence19.unhappy;unlucky;unusual;unable20.uncomfortable;unnecessary;unimportant21.impolite;impossible;impatient22.dishonest;dislike;disagree;disappear23.bigger/biggest;thinner/thinnest;hotter/hottest24.easier/easiest;heavier/heaviest;earlier/earliest25.better/best;worse/worst26.more/most;less/least;farther/farthest（或further/furthest）27.morecareful/mostcareful;moreimportant/mostimportant28.quickly;gently;terribly;comfortably29.older/elder；late（晚）/lately（最近）30.friendlier（或morefriendly）;cleverer;quieter;narrower31.mostuseful;worst;farthest（或furthest）;worst32.more；even/abit/still/alot（任写两个）二、A组名词（1–12）1.boxes2.knives3.leaves4.children5.womenteachers6.teeth7.sheep8.Women's9.LucyandLily's10.Tom's;Jim's11.students'12.father's二、B组代词（13–24）13.yourself14.themselves15.herself16.yours17.mine;hers18.Our;theirs19.himself20.anything21.nothing22.something23.Either;is24.herself二、C组比较等级（25–37）25.taller;faster26.bigger27.moreinteresting28.better29.colder;colder30.themostbeautiful31.(the)fastest32.more;better33.worse34.secondtallest35.louder36.morecareful37.longest二、D组时态（38–52）38.goes39.issinging40.visited41.hasgone42.haveseen43.hasbeen44.willhave/aregoingtohave45.doesn'train46.bought47.Have;finished;finished48.havetaken49.would50.wascooking51.moves52