【新教材】人教版（2024）七年级下册英语Unit 1 语法精讲精练

第第页【新教材】人教版（2024）七年级下册英语Unit1语法精讲精练核心语法：be动词（am/is/are）用法一、基础认知：be动词含义与人称搭配be动词翻译为“是”，根据主语人称、单复数变化为三种形式：am,is,are人称对应固定搭配（必背表格）人称代词搭配be动词缩写形式I（我，第一人称单数）amI’myou（你/你们，第二人称单复数）areyou’rehe/she/it（他/她/它，第三人称单数）ishe’s/she’s/it’swe/they（我们/他们，复数）arewe’re/they’re核心使用场景介绍自己、他人姓名：I’mLiuYu.HisnameisTom.介绍来自某地：She’sfromAustralia.介绍年龄：Iam13yearsold.描述人物关系、班级、身份：Weareclassmates.描述事物、动物、喜好：Myfavouritecolourisblue.二、三大标准句式（肯定句/否定句/一般疑问句）1.肯定句结构：主语+am/is/are+其他例句：IamfromChengdu.Sheismynewfriend.Theyaretwins.2.否定句（直接在be后加not）结构：主语+am/is/are+not+其他缩写：am无缩写；isnot=isn’t；arenot=aren’t例句：Iamnottwelve.Heisn’tfromtheUSA.Theyaren’tinClassTwo.3.一般疑问句（be动词提前放句首）结构：Am/Is/Are+主语+其他？回答规则：用人称对应be动词简答，不能混用Areyou…?—Yes,Iam./No,I’mnot.Ishe/she…?—Yes,he/sheis./No,he/sheisn’t.Arethey…?—Yes,theyare./No,theyaren’t.例句：AreMeimeiandPeterinthesameclass?Yes,theyare./No,theyaren’t.4.特殊疑问句（what/where/who开头）结构：特殊疑问词+am/is/are+主语？Where+be+sb.from？询问来自哪里WhereisMrSmithfrom?He’sfromtheUS.Whatclass+be+主语？询问班级Whatclassareyouin?I’minGradeSeven.Who’s…?询问某人是谁Who’syourteacher?It’sMsGao.三、易错点总结多个并列人名作主语（复数），必须用areEmmaandEllaaretwins.（❌is）and连接I与其他人，主语为复数，用areTomandIareintheband.（❌am）单个物品、动物、单数人名用is；复数人/物品用areThecatiscute./Thecatsarecute.am只能跟在I后面，任何人称都不能搭配am简答时，Iam不能缩写：Yes,I’m（错）→Yes,Iam（对）四、物主代词配套（I-my/he-his/she-her）对应表格人称主格形容词性物主代词（后接名词）中文Imy我的youyour你的/你们的hehis他的sheher她的itits它的weour我们的theytheir他们的用法：后面必须加名词hisname他的名字；herfavouriteanimal她最喜欢的动物专项分层训练专项一基础匹配（3a同类题型）I→____You→____He/She/It→____We/They→____专项二选词填空（圈出正确am/is/are，3b原题型）EmmaandEllais/aretwins.Theyare/isfromtheUS.Iam/are12yearsold.SongMeimeiam/is12yearsoldtoo.LinHai’sfavouritecolouris/aregreen.Lisa’spetcatis/areverycute.Shelikesitverymuch.TomandIam/arebothintheschoolband.专项三短文填空（3c全文填空，用am/is/are）Hello!I____LiuYu.I____13yearsold.I____fromChengdu,China.Myfavouriteanimal____thepanda.Thisismynewclassmate.HernameisSallyWood.She____also13yearsold.She____fromSydney,Australia.NowshelivesinChengduwithherparents.Herfavouritefood____Mapotofu.SallyandI____goodfriends.专项四句型转换（肯定↔否定、一般疑问、特殊疑问）Iam13yearsold.（改为否定句）SheisfromAustralia.（改为一般疑问句并作肯定回答）TomandIareinClass3.（改为否定句）Theyaretwins.（对twins提问，Who）Myfavouriteanimalisthepanda.（对thepanda提问）专项五单项选择（基础20题）()1.I____twelve.A.amB.isC.are()2.He____mynewfriend.A.amB.isC.are()3.TomandSally____classmates.A.amB.isC.are()4.—AreyoufromChina?—Yes,I____.A.amB.isC.are()5.EmmaandElla____fromCanada.A.amB.isC.aren’t()6.Who____yourEnglishteacher?A.amB.isC.are()7.Where____theyfrom?A.amB.isC.are()8.Thiscat____verylovely.A.amB.isC.are()9.____yourfavouritecolourblue?A.AmB.IsC.Are()10.SallyandI____goodfriends.A.amB.isC.are专项六句子改错（划出错误并改正）Iis13yearsold.____________EmmaandEllaistwins.____________TomandIaminGradeSeven.____________Wherearehefrom?____________Herfavouritefoodaremapotofu.____________专项七完成句子（结合be动词+物主代词）我叫刘宇，我来自成都。I____LiuYu.I____fromChengdu.她叫萨莉，她来自悉尼。____nameisSally.She____fromSydney.他最喜欢的动物是熊猫。____favouriteanimal____thepanda.我和萨莉是好朋友。SallyandI____goodfriends.—你在三班吗？—是的，我在。—____youinC