2026年新科教版小学四年级英语下册第二单元词汇词性变换练习卷含解析

2026年新科教版小学四年级英语下册第二单元词汇词性变换练习卷含解析考试时长：120分钟满分：100分班级：__________姓名：__________学号：__________得分：__________【考核对象】小学四年级学生【试卷总分】100分【考试时间】60分钟一、单选题（总共10题，每题2分，共20分）1.Thenewbookhasmany______.Whichwordisanoun?A.picturesB.readC.quicklyD.happy参考答案：A2."Mydogisbig."Whatistheverbinthissentence?A.bigB.isC.dogD.my参考答案：B3.Whichwordisanadjective?A.jumpB.redC.goD.she参考答案：B4."Iameatinganapple."Whatisthepasttenseof"eat"?A.eatB.ateC.eatingD.eats参考答案：B5.Whichwordisapreposition?A.inB.runC.blueD.they参考答案：A6."Thecatisunderthetable."Whatistheoppositeof"up"?A.onB.inC.underD.over参考答案：C7.Whichwordisapronoun?A.happyB.weC.walkD.big参考答案：B8."Sheissinging."Whatisthepresentparticiple?A.singB.singingC.sangD.sung参考答案：B9.Whichwordisanadverb?A.fastB.carC.theyD.open参考答案：A10."Thestudentsareplaying."Whatisthepluralformof"student"?A.studentB.studentsC.studentesD.studens参考答案：B---二、填空题（总共10题，每题2分，共20分）1.Fillintheblank:I______(go)totheparkyesterday.参考答案：went2.Fillintheblank:Thebirdsare______(fly)inthesky.参考答案：flying3.Fillintheblank:Sheis______(be)tenyearsoldnextmonth.参考答案：goingtobe4.Fillintheblank:Theboxis______(big)thanthebag.参考答案：bigger5.Fillintheblank:We______(watch)amovielastnight.参考答案：watched6.Fillintheblank:Heis______(run)fast.参考答案：running7.Fillintheblank:Theflowersare______(red).参考答案：red8.Fillintheblank:They______(eat)dinnerat7PM.参考答案：eat9.Fillintheblank:Mysisteris______(write)aletternow.参考答案：writing10.Fillintheblank:Thecatis______(sleep)onthecouch.参考答案：sleeping---三、判断题（总共10题，每题2分，共20分）1."Iamhappy."Thissentencehasaverb.(正确)2."Thebookisonthetable.""on"isanoun.(错误)3."Sherunsfast.""runs"isapresentparticiple.(正确)4."Weareeating.""are"isapreposition.(错误)5."Thebirdsaresinging.""singing"isanoun.(错误)6."Heistall.""tall"isanadjective.(正确)7."Theywenttoschool.""went"isapresenttenseverb.(错误)8."Thecarisred.""red"isanadverb.(错误)9."Iamsleeping.""sleeping"isapasttenseverb.(错误)10."Theboxisbig.""big"isapreposition.(错误)参考答案：1-5正确，6-10错误---四、简答题（总共3题，每题4分，共12分）1.Explainthedifferencebetweenanounandaverb.参考答案：-Noun:Awordthatnamesaperson,place,thing,oridea(e.g.,"book,""cat").-Verb:Awordthatshowsanactionorstateofbeing(e.g.,"run,""is").2.Whatisapreposition?Giveanexample.参考答案：Aprepositionisawordthatshowstherelationshipbetweenanounorpronounandotherwordsinasentence(e.g.,"inthebox,""onthetable").3.Howdoyouformthepasttenseofaregularverb?参考答案：Add"-ed"tothebaseformoftheverb(e.g.,"walk"→"walked").---五、应用题（总共2题，每题9分，共18分）1.Changethefollowingsentenceintothepasttense:"TheyplaysoccereverySunday."参考答案："TheyplayedsoccereverySunday."解题思路：-Identifythepresenttenseverb:"play."-Add"-ed"toformthepasttense:"played."-Rewritethesentencewiththepasttenseverb.2.Completethesentencewiththecorrectformoftheverbinparentheses:"Mybrother______(go)tothestoreyesterday."参考答案：went解题思路：-Thesentenceisinthepasttense("yesterday").-Thebaseverbis"go."-Add"-ed"toformthepasttense:"went."---标准答案及解析一、单选题1.A(picturesisanoun)2.B("is"isalinkingverb)3.B("red"describesanoun)4.B("ate"isthepasttenseof"eat")5.A("in"showslocation)6.C("under"meansbelow)7.B("we"replacesanoun)8.B("singing"isthepresentparticiple)9.A("fast"describeshow)10.B("students"isthepluralform)二、填空题1.went2.flying3.goingtobe4.bigger5.watched6.running7.red8.eat9.writing10.sleeping三、判断题1.正确2.错误("on"isapreposition)3.正确4.错误("are"isanauxiliaryverb)5.错误("singing"isapresentparticiple)6.正确7.错误("went"isthepasttense)8.错误("red"isanadjective)9.错误("sleeping"isthepresentparticiple)10.错误("big"isanadjective)四、简答题1.Nounvs.Verb:-Noun:Namespeople,places,things,orideas(e.g.,"dog,""London").-Verb:Showsactionorstate(e.g.,"jump,""is").2.Preposition:-Definition:Connectsnouns/pronounstootherwords(e.g.,"underthetree").-Example:"Thekeysareonthetable."("on"showslocation).3.PastTenseofRegularVerbs:-Add"-ed"(e.g.,"walk"→"walked").-Exceptions:Iftheverbendsin"e,"add"-d"(e.g.,"love"→"loved").五、应用题1.Pa