Unit3语法专项课件Therebe句型方位介词Therebe与havehas辨析北师大英语七年级上册

教学课件北师大英语七年级上册Unit3语法专项——Therebe句型、方位介词、Therebe与have/has辨析

全解精讲+分层练习

学习目标1.熟练掌握Therebe句型的肯定、否定、疑问形式及用法，能表达“某地有某物”2.牢记6个核心方位介词的含义，能精准描述人或物体的位置关系3.清晰区分Therebe句型与have/has的用法差异，避免混淆4.能完成填空、选择、句型转换等多样题型，提升语法综合应用能力5.结合语境灵活运用句型和介词，构建完整的位置描述表达语法一：Therebe句型-核心定义Therebe句型用于表达“某地存在某物/某人”，核心是“存在”而非“所属”基本结构：There+be动词+名词+地点状语（表“在某地有某物”）例：Thereisaparkinmytown.（我镇上有一个公园。）例：Therearethreeroomsinthehouse.（房子里有三个房间。）注意：be动词的形式由后面的名词单复数决定，遵循“就近原则”Therebe句型-肯定形式肯定形式核心：根据后面名词的单复数选择be动词1.单数/不可数名词：Thereis+单数名词/不可数名词+地点例：Thereisasofainthelivingroom.（客厅里有一张沙发。）2.复数名词：Thereare+复数名词+地点例：Therearetwodesksintheclassroom.（教室里有两张书桌。）就近原则：若有多个名词，be动词随最近的名词单复数变化Therebe句型-否定形式否定形式直接在be动词后加not，缩写形式更常用1.单数/不可数名词：Thereisnot=Thereisn't例：Thereisn'tahospitalnearhere.（这附近没有医院。）2.复数名词：Therearenot=Therearen't例：Therearen'tanyshopsinthisstreet.（这条街上没有商店。）注意：否定句中some需改为anyTherebe句型-疑问形式及回答疑问形式需将be动词提前，回答简洁且主谓一致1.单数/不可数名词：Isthere+单数名词/不可数名词+地点？肯定回答：Yes,thereis.否定回答：No,thereisn't.例：—Isthereasportscentre?—Yes,thereis./No,thereisn't.2.复数名词：Arethere+复数名词+地点？肯定回答：Yes,thereare.否定回答：No,therearen't.例：—Arethereanybooksonthedesk?—Yes,thereare./No,therearen't.Therebe句型-就近原则详解就近原则：当Therebe后接多个并列名词时，be动词随最近的名词变化例：Thereisabookandtwopensonthedesk.（近的是单数book，用is）例：Therearetwopensandabookonthedesk.（近的是复数pens，用are）易混点：不要受后面所有名词的影响，只看“最近”的一个例：There________acatandthreedogsintheyard.（填is）Therebe句型-易错点提醒1.主谓不一致：Thereareabookonthedesk.（正确：Thereis）2.否定句漏改some：Thereisn'tsomewater.（正确：anywater）3.疑问句语序错误：Thereisaparknearhere?（正确：Isthere）4.回答不一致：—Arethereanychairs?—Yes,thereis.（正确：thereare）5.混淆存在与归属：Ihaveabedinmyroom.（表存在，正确：Thereis）小练习（一）-Therebe句型填空用thereis/thereare/thereisn't/therearen't填空1.___________abigtreeinfrontofthehouse.2.________________anymilkinthebottle.Let'sbuysome.3.________________threebedroomsandabathroomintheflat.4.________________asmallkitchenwithafridge.5.________________manystudentsintheclassroomnow.ThereisThereisn'tThereareThereisTherearen't语法二：方位介词-核心定义与分类方位介词用于描述人或物体之间的位置关系，使表达更精准核心方位介词（6个）：in（在……里）、on（在……上）、under（在……下）behind（在……后）、nextto（在……旁）、infrontof（在……前）例：Thebookisonthedesk.（明确书的位置在书桌表面）方位介词需结合实物场景理解，避免死记硬背方位介词-用法详解（一）in/on/underin：表示在封闭空间或物体内部例：Thepensareintheschoolbag.（笔在书包内部）on：表示在物体表面，有接触例：Theclockisonthewall.（钟在墙表面）under：表示在物体垂直下方，无接触例：Theshoesareunderthebed.（鞋在床正下方）方位介词-用法详解（二）behind/nextto/infrontofbehind：表示在物体后方，有一定距离例：Thebikeisbehindthedoor.（自行车在门后面）nextto：表示在物体紧邻的旁边，无间隔例：Thesofaisnexttothetable.（沙发在桌子旁边）infrontof：表示在物体外部前方例：Thereisagardeninfrontofthebuilding.（大楼前有个花园）方位介词-易混点辨析1.invson：内部用in，表面用on（inthebox/onthebox）2.infrontofvsbehind：互为反义词，分别表示前后3.nexttovsnear：nextto强调“紧邻”，near强调“附近”（范围更广）例：Theshopisnearmyhome.（商店在我家附近，不一定紧邻）例：Theshopisnexttomyhome.（商店就在我家旁边）小练习（二）-方位介词填空用in/on/under/behind/nextto/infrontof填空1.Thebookshelfis___________thewall.2.Mykeysare___________myschoolbag.Ican'tfindthem.3.Thedogis______________thetree.Wecan'tseeit.4.Thelibraryis______________thepostoffice.Theyareveryclose.5.Thereisabigwindow______________thedesk.oninbehindnexttoinfrontof语法三：Therebe与have/has-核心区别特征Therebe句型have/has核心含义强调“存在”，表“某地有某物”强调“归属”，表“某人/某物有某物”句子结构There+be+名词+地点主语

+have/has+宾语例句Thereisabookonthedesk.Ihaveabook.提问方式Is/Arethere...?Do/Does...have...?核心区别：Therebe表“哪里有”，have/has表“谁有”Therebe与have/has-用法对比示例1.表存在（用Therebe）：Thereisacomputerinmyroom.（我房间里有一台电脑）2.表归属（用have）：Ihaveacomputer.（我有一台电脑）3.结合使用（既表归属又表存在）：Ihaveabedroom,andthereisabigbedinit.（我有一间卧室，里面有一张大床）Therebe与have/has-易错点辨析1.错误：Ihaveaparknearmyhome.（表存在，正确：Thereis）2.错误：Thereisanewpentome.（表归属，正确：Ihave）3.错误：Therehasabookonthedesk.（Therebe无has形式，正确：Thereis）4.错误：Shehasalotofflowersinthegarden.（表存在，正确：Thereare）记忆口诀：存在用Therebe，归属用have/has，单复数要记清小练习（三）-Therebe与have/has辨析填空1.Myfather___________anewcar.Hedrivesittowork.2.___________abigsupermarketinourneighbourhood.3.They___________threechildren.Theyareallstudents.4.___________anywaterinthebottle?Iwanttodrinksome.5.We___________asmallgarden,and___________manyflowersinit.hasThereishaveIstherehavethereare综合练习（一）-单项选择1.___________abedandtwochairsinthebedroom.A.ThereisB.ThereareC.Have2.Thepensare___________thepencil-box.A.onB.inC.under3.—___________anyshopsnearhere?—No,therearen't.A.IsthereB.ArethereC.Haveyou4.Mymother___________abeautifuldress.A.thereisB.hasC.thereare5.Thecatis___________thesofa.Wecanseeiteasily.A.behindB.underC.onABBBC6.___________anymilkintheglass.Let'sgetsome.A.Thereisn'tB.Therearen'tC.Hasn't7.There___________threebooksandapenonthedesk.A.isB.areC.have8.—Whereisthebank?—It's___________thepostoffice.A.infrontofB.inC.under9.—___________yourbrotherhaveanewbike?—Yes,hedoes.A.IsthereB.ArethereC.Does10.There___________asportscentreinmytown.Ioftengothere.A.isB.areC.isn'tABACA综合练习（三）-句型转换1.Thereisaparkinmytown.（改为否定句）2.Therearetworoomsinthehouse.（改为一般疑问句并作肯定回答）3.Thereisn'tahospitalnearhere.（改为肯定句）4.Thebooksareinthebookshelf.（对划线部分提问）5.Shehasanewschoolbag.（改为否定句）Thereisn'taparkinmytown.Aretheretworoomsinthehouse?Yes,thereare.Thereisahospitalnearhere.Wherearethebooks?Shedoesn'thaveanewschoolbag.综合练习（四）-用所给词的适当形式填空1.___________(therebe)abigtreeinfrontoftheschool.2.Mysister___________(have)alovelycat.It'sblack.3.Thekeysare___________(on/in)thedrawer.Pleaseopenit.4.___________(therebe)anystudentsintheclassroom?5.We___________(have)anewhouse,and___________(therebe)agardenbehindit.ThereishasinAretherehavethereis综合练习（五）-补全对话A:Hello,Tom!Welcometomynewhome.B:Wow,it'sverynice.___________abiglivingroom!A:Thankyou.___________threebedroomsinmyhome.B:Whereisyourbedroom?A:It'soverthere.___________adeskandabedinit.B:Whereareyourbooks?A:Theyare___________thebookshelf.B:Doyou___________acomputer?A:Yes,it's___________thedesk.ThereisThereareThereisonhaveon综合练习（六）-短文填空MynameisLily.Iliveinasmalltown.___________aparknearmyhome.Ioftengotheretoplay.Myhouseisnotbig,butit'sclean.___________twobedrooms,alivingroomandakitcheninit.Mybedroomissmall.I___________abed,adeskandachairinit.Thedeskis___________thewindow.Mybooksare___________thedesk.Thechairis___________thedesk.Ilikemyroomverymuch.ThereisTherearehaveinfrontofonnextto综合练习（七）-判断句子正误1.Thereareabookonthedesk.（）改正：___________2.Thecatisinfrontofthechair.（）改正：___________3.Shehaveanewschoolbag.（）改正：___________4.Thereisn'tanywaterinthebottle.（）改正：___________5