7Aunit1grammar课件

1、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, ar

2、e 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 ittheyamII 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。高的。=Im=Im a girl.=Im 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=HesShe is=ShesIt is=ItsHesShesItsareyoutheyYou are a boy. You are boys.

3、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= Theyre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 _ Sandys parents

4、. amareis are are are2.与普通名词连用与普通名词连用（1 1）单数名词）单数名词 + is+ is （2 2）复数名词）复数名词 + are+ are The students _very happy.areThe girl _tall and slim.is主语主语 + be + not am is are not= am not isnt arent 将下列句子改为否定句1.This is a box. 2.Im a student. 3.They are my classmates.This a box.is not/ isntI _a student.They m

5、y classmates.are not/ arentam notam not1. These are my books. _2. She is Sandys sister._3. We are in the classroom._4. They are from the UK._5. You are in Class6, Grade7._These are not/ arent my books.She is not/ isnt Sandys sister.We are not/ arent in the classroom.They are not/ arent from the UK.Y

6、ou are not/arent in Class6, Grade7.将下列句子改为否定句将下列句子改为否定句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 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

7、做肯定和否定回答。1. This is a reading room. _2. They are classmates. _3. Eddie is Hobos master. _Is this a reading room? Yes, it is. / No, it isnt.Are they classmates? Yes, they are./ No, they arent.Is Eddie Hobos master? Yes, it is. / No, it isnt.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。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, whats your name? B: I am .A: How old a