be动词和人称代词.ppt

am is are
be动词的用法
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be动词的种类
be动词包括“am”, “is”, “are”三种形式,表达“是”的意思。
第一人称单数(I)配合am来用。
句型解析析:I am+…
I am Snoopy.
I am ten years old.
I am a student.
I am a boy.
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be动词的种类
第二人称(You)配合are使用。
句型解析:You are+…
You are my good friend.
You are a good person.
You are beautiful.
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be动词的种类
第三人称单数(He 或 She 或 It)配合is使用。
句型解析:She/He/It is +…
She is a good girl.
She is so cute.
She is my sister.
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be动词的种类
复数人称(we /you/they)配合are使用。
句型解析:We /You/They are +…
We are in Class 5,Grade 7.
We are friends.
We are good students.
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Be的用法口诀 
 我(I)是am ,你(you)是are;
is用于他(he),她(she),它(it);  单数is,复数are,不要混淆记牢它;   变疑问,往前提,句末问号莫丢弃;   变否定,更容易,be后not莫忘记;   疑问否定任你变,句首大写莫迟疑。
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be动词的疑问句
He is a teacher.
be动词提句首
Is he a teacher?
They are twins.
be动词提句首
Are they twins?
I am a good student.
练一练
Am I a good student?
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be动词的否定句
is a teacher.
He is not a teacher.
are twins.
变否定,be动词后加not
They are not twins.
I am a good student.
练一练
I am not a good student.
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be动词的缩写
I am= I’m You are=You’re
He is= He’s She is=
We are= It is=
They are=
She’s
We’re
It’s
They’re
否定形式的缩写:
is not= isn’t are not= aren’t
am not没有缩写形式!
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人称代词是表示"我"、"你"、"他"、"她"、"它"、"我们"、"你们"、"他们"的词。人称代词有人称、数和格的变化,见下表:
人称代词
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