译林小学英语四年级上册句型及词形转换专项练习

译林小学英语四年级上册句型及词形转换专项练习前言亲爱的同学们，句型是英语表达的骨架，而词形转换则是丰富语言血肉的重要手段。掌握好基础句型和常见的词形转换规则，能让我们的英语表达更加准确、流畅和地道。这份专项练习旨在帮助大家系统梳理和巩固译林版小学英语四年级上册所学的核心句型及词形转换知识。请大家认真对待每一道题，仔细思考，相信通过练习，你们的英语运用能力一定会有所提升！第一部分：句型专项练习一、be动词（am,is,are）句型要点提示：*I用am,you用are,is连着he,she,it。*复数名词和we,you,they后面用are。*否定句在be动词后加not(isnot=isn't,arenot=aren't,amnot无缩写)。*一般疑问句将be动词提到句首，句末用问号。典型例题：1.This______adog.(is/are)→Thisisadog.2.They______happy.(am/are)→Theyarehappy.3.I______astudent.(am/is)→Iamastudent.4.Itisacat.(改为否定句)→Itisnot(isn't)acat.5.Areyouateacher?(作肯定回答)→Yes,Iam.专项练习：1.She______mysister.(am/is/are)2.We______intheclassroom.(am/is/are)3.Thebooks______onthedesk.(am/is/are)4.Heisadoctor.(改为否定句)He____________adoctor.5.Aretheyfarmers?(作否定回答)No,____________.6.______thisyourpencil?(Am/Is/Are)Yes,it______.二、人称代词与物主代词句型要点提示：*人称代词主格(I,you,he,she,it,we,you,they)通常作句子的主语。*物主代词(my,your,his,her,its,our,your,their)后面接名词，表示“……的”。典型例题：1.______(I/My)amaboy.→Iamaboy.2.Thisis______(she/her)bag.→Thisisherbag.3.______(He/His)likesapples.→Helikesapples.专项练习：1.______(We/Our)arefriends.______(We/Our)classroomisbig.2.Thatis______(they/their)dog.______(It/Its)nameisLucky.3.______(She/Her)isanurse.______(She/Her)coatisblue.三、情态动词can句型要点提示：*can表示“能，会”，后面跟动词原形。*否定句在can后加not(cannot=can't)。*一般疑问句将can提到句首。典型例题：1.Ican______(swim/swims).→Icanswim.2.Hecansing.(改为否定句)→Hecan'tsing.3.Canyoudance?(作否定回答)→No,Ican't.专项练习：1.Mybrothercan______(play/plays)football.2.They______(can/can't)fly.Birdscanfly.3.Canyourmothercook?(作肯定回答)Yes,____________.4.Icandrawapicture.(改为一般疑问句)____________drawapicture?四、实义动词（行为动词）一般现在时句型要点提示：*主语是第三人称单数(he,she,it,单个人名或事物)时，动词词尾加-s或-es。*其他人称(I,you,we,they,复数名词)用动词原形。*否定句和疑问句要借助助动词do或does(第三人称单数用does)。典型例题：1.I______(like/likes)bananas.→Ilikebananas.2.She______(go/goes)toschooleveryday.→Shegoestoschooleveryday.3.Theyplaybasketball.(改为否定句)→Theydon'tplaybasketball.4.HewatchesTVintheevening.(改为一般疑问句)→DoeshewatchTVintheevening?专项练习：1.Myfather______(read/reads)newspaperseverymorning.2.We______(have/has)lunchatschool.3.Thecat______(like/likes)fish.4.They______(notlive)inthishouse.(用don't或doesn't填空)5.______(Do/Does)yoursisterlikedolls?Yes,she______.(do/does)6.I______(notplay)footballonSundays.第二部分：词形转换专项练习一、名词复数要点提示：*一般情况下，名词复数在词尾加-s。如：book→books。*以s,x,ch,sh结尾的名词，加-es。如：bus→buses,box→boxes。*以辅音字母加y结尾的名词，变y为i加-es。如：baby→babies。*部分名词复数为不规则变化，需要特殊记忆。如：man→men,child→children,foot→feet。典型例题：1.oneapple→two______(apple)→twoapples2.abus→three______(bus)→threebuses3.ababy→some______(baby)→somebabies4.onetooth→many______(tooth)→manyteeth专项练习：写出下列名词的复数形式。1.pen→______2.box→______3.family→______4.watch→______5.sheep→______(单复数同形)6.tomato→______(特殊变化，加-es)二、动词第三人称单数要点提示：*一般情况下，动词第三人称单数在词尾加-s。如：play→plays。*以s,x,ch,sh或o结尾的动词，加-es。如：watch→watches,go→goes。*以辅音字母加y结尾的动词，变y为i加-es。如：study→studies。典型例题：1.Iwork→He______(work)→Heworks.2.Youteach→She______(teach)→Sheteaches.3.Theyfly→It______(fly)→Itflies.专项练习：写出下列动词的第三人称单数形式。1.run→______2.wash→______3.do→______4.have→______(特殊变化)5.cry→______6.play→______三、人称代词的格要点提示：*主格(作主语)：I,you,he,she,it,we,you,they*宾格(作宾语，放在动词或介词后)：me,you,him,her,it,us,you,them*形容词性物主代词(后接名词)：my,your,his,her,its,our,your,their典型例题：1.______(I)amastudent.→Iamastudent.(主格)2.Mymotherlooksafter______(I).→Mymotherlooksafterme.(宾格)3.Thisis______(he)book.→Thisishisbook.(形容词性物主代词)专项练习：用括号内人称代词的适当形式填空。1.Let______(we)gotothepark.2.Thisis______(she)ruler.______(it)isred.3.Myfatherloves______(I)and______(I)love______(he)too.4.Lookat______(they).______(they)areplayinggames.参考答案第一部分：句型专项练习一、be动词（am,is,are）句型1.is2.are3.are4.isnot/isn't5.theyaren't/theyarenot6.Is,is二、人称代词与物主代词句型1.We,Our2.their,Its3.She,Her三、情态动词can句型1.play2.can't3.shecan4.Canyou四、实义动词（行为动词）一般现在时句型1.reads2.have3.likes4.don'tlive5.Does,does6.don't