Unit1 第3课时 Grammar（ppt课件）-2024新牛津译林版七年级上册《英语》.pptx

1、仓颉之初作书盖依类象形故谓之文其形声相益即谓之字文者物象之本字者言孳乳而浸多也著于竹帛谓之仓颉之初作书盖依类象形故谓之文其形声相益即谓之字文者物象之本字者言孳乳而12能能够够掌握掌握Be动词的用法动词的用法及意义及意义能能够够掌握一般现在时掌握一般现在时肯定句、肯定句、否定句和一般否定句和一般疑问句的变换疑问句的变换目录-CONTENTS01定义02结构03句型04练习01动词be的一般现在时定义01动词动词bebe的一般现在时的一般现在时定义定义定义动词be的一般现在时通常表示状态和事实状态和事实。举例I am a student.我是一名学生。She is tall and slim.她又

2、高又苗条。The girls are twelve years old.女孩们是十二岁。Simple present tense 一般现在时一般现在时Things that are always true 客观存在的事实客观存在的事实The sun rises in the east.Things that we do regularly 经常做的事经常做的事Simon often plays football after school.I often listen to music when I take a bus.Things that are true now 目前存在的事实目前存在的

3、事实My hair is long.You are middle school students now.02动词be的一般现在时结构beareamisBe 动词动词Different subjectsII am “我我”我我是是一个女生。一个女生。I am a girl.I am from Nanjing.我来自南京。我来自南京。=Im=Im a girl.=Im from Nanjing.amamisHeSheItHe is a boy.She is a girl.It is a dog.她是一个女生。她是一个女生。它是一只小狗。它是一只小狗。He is=HesShe is=ShesIt

4、is=ItsHesShesItsisareYouTheyYou are a boy.You are boys.WeWe are friends.你是一个男生。你是一个男生。你们是男生。你们是男生。They are classmates.他们是同班同学。他们是同班同学。我们是朋友。我们是朋友。YoureWereTheyreYou are=YoureWe are=WereThey are=Theyreare普通名词普通名词+be 动词动词（1）单数名词）单数名词+is （2）复数名词）复数名词+are The cats _very cute.areisThe cat _ very cute.Dif

5、ferent subjects+am/is/are我用我用am你用你用are Is连着他连着他/她她/它它单数名词用单数名词用is复数名词全用复数名词全用are I am a boy.You are smart.She is beautiful.He is a student.It is short.The apple is red.Footballs are round.Now have a try!用用be的正确形式填空的正确形式填空1.I _ a short girl.2.You _ Lily,right?3.She _ my twin sister.4.We _ good friend

6、s.5.The girls _ from America.6.Millie and Sandy _ good students.amareis are are are03动词be的一般现在时句型变化Negative sentences(be 动词的否定句动词的否定句)I am not a doctor.We are not in the classroom.I am a teacher.We are at home.主语主语+be+not+others am is are not=am not amnt is not/isnt are not/arent +变否定，很容易，变否定，很容易，be

7、后后not莫忘记莫忘记Now have a try!1.This is a box.2.Im a student.3.They are my classmates.This a box.is not/isntis not/isntI _a student.They my classmates.are not/arentare not/arentam notam notQuestion sentences(be 动词的疑问句动词的疑问句)He is a lawyer.be动词提句首动词提句首Is he a lawyer?They are classmates.be动词提句首动词提句首Are th

8、ey classmates?肯定：肯定：Yes,he is.否定：否定：No,he isnt.肯定：肯定：Yes,they are.否定：否定：No,they arent.在一般疑问句的肯定回在一般疑问句的肯定回答中不能用缩写形式答中不能用缩写形式变疑问，变疑问，be提前，句末问号莫丢弃提前，句末问号莫丢弃Be+主语主语+others+?肯定回答：肯定回答：Yes,主语主语+be.否定回答：否定回答：No,主语主语+be+not.Now have a try!Fill in the blanks1.Eddie is Hobos master._ Eddie Hobos master?Yes,i

9、t _.2.They are classmates._ they classmates?No,they_.3.It is a reading room._ it a reading room?No,it _.IsisntArearentIsis04课内与课外练习Part AamareareareisisIsPart Bam notisisIsisntisareareisAre04随堂练习随堂练习填写适当的填写适当的be动词（带动词（带*为易错题）为易错题）1.His name _ Peter.What _ her name?2.Mike _ in the bookshop with Tom.3

10、*._ careful,kids!4.Some people _ at the school gate.5.Where _ my glasses,Mum?6*.This pair of shoes _ nice.isisisBe肯定祈使句：动词原形开头肯定祈使句：动词原形开头areareis主语是主语是this pair，不是，不是shoes04随堂练习随堂练习填写适当的填写适当的be动词（带动词（带*为易错题）为易错题）7._ Tom and Tim brothers?8*.Linda with his parents _ over there.9*.Which _ Lucy and Lil

11、ys room?10*.There _ some juice and bread in the fridge.11.What _ those in English？They _ pineapples.AreisA with B作主语，看作主语，看Ais找准主语是找准主语是roomisthere be句型中句型中“就近原则就近原则areare04随堂练习随堂练习填写适当的填写适当的be动词动词（带（带为易错题）为易错题）12.Who _ their math teacher?Mr Green _.13*.Our family _ in the living room.14.Mr Smith _(

12、not be)at school today.His son _ ill.15*.Anne,_(not be)late tomorrow.isisare family意为意为“家人家人”时，是复数时，是复数isnt is dont be否定祈使句：否定祈使句：dont+动词原形动词原形人名后有逗号，不是主语人名后有逗号，不是主语04随堂练习随堂练习句型转化句型转化1.Kate and Mary are in the garden.(对划线部分提问对划线部分提问)2.Mike is good at singing.(改成一般疑问句并作否定回答改成一般疑问句并作否定回答)3.Is your nam

13、e Lisa?(补全答句补全答句)Yes，_.Where is Kate and Mary?Is Mike good at singing?No,he isnt.it isLanguange points1.She loves dancing 她喜欢跳舞。她喜欢跳舞。dancingn.跳舞，舞蹈Willtherebeadancingpartythisweekend?这个周末有舞会吗?Areyougoodatdancing?你擅长跳舞吗?Amylikesdancing埃米喜欢舞蹈。【拓展】dance是动词，意为：跳舞，由dance变成动名词或者现在分词时，应该去e加-ing；dancer则是名词

14、，意思是“舞蹈家，舞蹈演员”。Helovestodancetomusic.她喜欢随着音乐跳舞。Amydanceseveryday埃米每天跳舞。YangLipingisafamousdancer.杨丽萍是著名的舞蹈演员。2.She is good at swimming 她擅长游泳。她擅长游泳。swimmingn.游泳Thatsnottheplaceforyoutopracticeswimming.那里可不是你们练习游泳的地方。【拓展】swimming是一个动名词形式，其动词是swim意思是“游泳”swimmer则是名词意思是一游泳者，游泳运动员”。由swim变为动名词或现在分词时，需要先双写结

15、尾的m，再加后缀-ing变为swimming。SunYangswimseveryday.孙杨每天游泳。LuoXuejuanisagoodswimmer罗雪娟是一位优秀的游泳运动员。3.This is my cousin,Andy.Andy,this is my new classmate Kitty.这是我表哥，安迪。安迪，这是我新同学，凯蒂。这是我表哥，安迪。安迪，这是我新同学，凯蒂。Thisis是介绍人们认识时候使用的日常用语。Mr.Li,thisismymother.Mum,thisisMr.Li.李老师，这是我妈妈。妈妈，这是李老师。Dad,thisismygoodfriend,Hel

16、en.爸爸，这是我的好朋友，海伦。【拓展】Thisis还可以用作打电话时的用语，意为“我是”，而不能说“Iam”.Hello,thisisAmyspeaking.你好，我是埃米。Hello,thisisDanielspeaking.MayIspeaktoSandy.你好，我是丹尼尔。我可以找桑迪接电话吗？4.but now I live with my family in Beijing.1）family是一个集体名词，做“家庭”时，它被看作一个整体，谓语动词用单数形式。为“家庭成员”时，它被看作家庭中的所有成员，谓语动词用复数形式。Myfamilyisabigone.我家是个大家庭。Myfa

17、milyarealltall.我们全家人个子都很高。2）liveinsp.居住在某地livewithsb和某人住一起5.And I wear glasses.wearvt.穿，戴常用短语：Weararing/acoat/ahat/sunglasses/shoes/anecklace戴戒指/穿外套/戴帽子/戴墨镜/穿鞋/戴项链Wearasmile面带微笑6.over there 在那儿在那儿Look,Lilyisoverthere.看，莉莉在那儿。overthere在那边（指较远处），与here相对应。Therearemanychildrenoverthere.看，那儿有许多孩子。【拓展】1）o

18、ver作副词，可意为：结束。Schoolisover.Letsgohome.放学了我们回家吧。2)over作介词，意为:在.之上，在.正上方Thereisabridgeovertheriver.在河面上有座桥。3）over作介词，意为超过，多于Thereareover20boysintheclassroom.教师里有20多个孩子。7.classroom n.教室教室Ourclassroomisbigandclean.我们的教室又大又干净。classroom由class+room构成的合成词合成词。类似的词还有：classmate同班同学football足球bedroom卧室blackboard黑板仓颉之初作书盖依类象形故谓之文其形声相益即谓之字文者物象之本字者言孳乳而浸多也著于竹帛谓之仓颉之初作书盖依类象形故谓之文其形声相益即谓之字文者物象之本字者言孳乳而谢君一赏