七年级英语上册Unit1Thisismegrammar课件牛津译林版课件.ppt

Simple Present tense of “be”一般现在时中一般现在时中be 动词的用法动词的用法 Unit 1 Grammar (语法语法)学习目标：学习目标：1.理解并掌握理解并掌握be动词在一般现在时动词在一般现在时中的用法中的用法2.掌握一般现在时的肯定句、否定掌握一般现在时的肯定句、否定句、疑问句的构成与基本用法句、疑问句的构成与基本用法Be 动词be动词也叫系动词，表示“是”，具体体现形式有am, is,are,was,were,will be等一般现在时一般现在时isareambe 动词一般现在时能与不同的能与不同的主语主语(subjects)连用连用1. am, is, are 与与人称代词人称代词连用连用人称代词人称代词I weyou he she ittheyamII am “我是我是” 我我是是一个女生一个女生I am a girl. I am tall. 我我是是高的I’m=I’m a girl.=I’m tall.ishesheitHe is a boy. She is a girl. It is a dog. 他是一个男生。

他是一个男生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=He’sShe is=She’sIt is=It’sHe’sShe’sIt’sareyoutheyYou 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You’reWe’reThey’reYou are= You’reWe are= We’reThey are= They’re用用“be”的正确形式填空的正确形式填空1.I ____ a tall girl.2. You___ Lily, right?3.She ____ my twin sister.4.We ____ good friends.5.You ____ all good students.6.They ____ Sandy’s parents. amareis are are are2.与普通名词连用与普通名词连用（（1）单数名词）单数名词 + is （（2）复数名词）复数名词 + are The students ______very happy.areThe girl ________tall and slim.isbebe动词动词的的否定句否定句主语主语 + be + not am is are not= am not isn’t aren’t 将下列句子改为否定句1.This is a box. 2.I’m a student. 3.They are my classmates.This a box.is not/ isn’tI ________a student.They my classmates.are not/ aren’tam not1. These are my books. __________________2. She is Sandy’s sister.__________________3. We are in the classroom.____________________4. They are from the UK.___________________5. You are in Class6, Grade7.____________________These are not/ aren’t my books.She is not/ isn’t Sandy’s sister.We are not/ aren’t in the classroom.They are not/ aren’t from the UK.You are not/aren’t in Class6, Grade7.将下列句子改为否定句将下列句子改为否定句bebe动词动词的的疑问句疑问句He is a teacher.be动词提句首动词提句首Is he a teacher?They are classmates.be动词提句首动词提句首Are they classmates?肯定：肯定：Yes, he is.否定：否定：No, he isn’t.肯定：肯定：Yes, they are.否定：否定：No, they aren’t.在一般疑问句的肯定回答在一般疑问句的肯定回答中不能用缩写形式中不能用缩写形式把下列句子改成一般疑问句并做肯定和否定回答。

把下列句子改成一般疑问句并做肯定和否定回答1. This is a reading room. ________________________2. They are classmates.. _______________________3. Eddie is Hobo’s master. ________________________Is this a reading room? Yes, it is. / No, it isn’t.Are they classmates? Yes, they are./ No, they aren’t.Is Eddie Hobo’s master? Yes, it is. / No, it isn’t.我用我用am，你用，你用are，，is都是他，她，都是他，她，它；单数名词用它；单数名词用is，复数名词全用，复数名词全用are变疑问，往前提，句末问号莫丢弃变疑问，往前提，句末问号莫丢弃变否定，更容易，变否定，更容易，be后后not莫忘记疑问否定任你变，句首大写莫迟疑疑问否定任你变，句首大写莫迟疑 Be动词用法口诀动词用法口诀Work in pairs:A: Hello, what’s your name? B: I am ..........A: How old are you?B: I’m……..A: Are you in Class6, Grade7?B: Yes, I am.A: Good. We are classmates.What have you learnt in today’s class?。