2026-2027学年-仁爱科普版七年级上册英语Unit 1 Let's Be Friends 人称代词主格 讲义(含答案)

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2026-2027学年-仁爱科普版七年级上册英语Unit 1 Let's Be Friends 人称代词主格 讲义(含答案)

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Unit 1 Let’s Be Friends-人称代词主格-同步语法复习和练习
一、核心知识点精讲——人称代词主格
定义
人称代词主格在句中作主语(动作发出者),置于谓语动词前,搭配 be 动词 /am/is/are 使用。
人称分类 单数主格 中文 复数主格 中文
第一人称 I 我 we 我们
第二人称 you 你 you 你们
第三人称 he(男)/she(女)/it(物 / 动物) 他 / 她 / 它 they 他们 / 她们 / 它们
课本配套例句
主格 例句 句意
I I am Li Ming. 我是李明。
you You are my new friend. 你是我的新朋友。
he He is 13. 他 13 岁。
she She is from America. 她来自美国。
it It is a cute cat. 它是一只可爱的小猫。
we We are classmates. 我们是同班同学。
they They are good friends. 他们是好朋友。
be 动词匹配规则(和主格绑定)
I → am(固定搭配,唯一搭配 am 的代词)
he /she/it → is(第三人称单数)
you /we/they → are(第二人称、所有人称复数)
be 动词三种句式(肯定 / 否定 / 疑问)
肯定:主语 + be + 其他
例:She is my friend.
否定:主语 + be + not + 其他
例:He is not from England.
一般疑问:Be + 主语 + 其他?
例:Are you in Grade Seven
二、同步【语法】分层练习
——基础夯实——
一、用正确人称主格填空
____ am a student.
This is a dog. ____ is small.
Lily is ten. ____ is from Canada.
Mr. Li is our teacher. ____ is kind.
You and I are friends. ____ go to school together.
Tom and Jim like sports. ____ play basketball.
____ are my new classmates.
二、单项选择
____ am in Class Two.
A. He B. I C. She
My cat is white. ____ is cute.
A. It B. He C. They
Lucy and Emma ____ twelve.
A. is B. am C. are
——能力提升——
一、句型转换
I am your new friend.(改为否定句)
I ____ ____ your new friend.
She is from the UK.(改为一般疑问句)
____ ____ from the UK
They are classmates.(改为否定句)
They ____ ____ classmates.
He is twelve.(改为一般疑问句)
____ ____ twelve
It is a lovely cat.(改为否定句)
It ____ ____ a lovely cat.
二、划出错误并改正
she is my new friend.
He and I is good friends.
Look at the dog. He is small.
Amy and Lucy is in Class One.
——综合拓展——
一、短文填空
Hello! ____ (1) am Wang Hong. ____ (2) am twelve. This is my friend, Lily. ____ (3) is from America. We ____ (4) in Class One. We have a little dog. ____ (5) is white. Let’s ____ (6) good friends every day.
二、书面表达
作文题目:My New Friend
写作要求
词数不少于 50 词;
硬性语法:至少使用 4 处人称主格,包含 I/she/we/it,搭配 am/is/are;用上 1 句 Let’s 句型;
内容:介绍自己、新朋友、共同爱好。
参考答案
——基础夯实——
一、用正确人称主格填空
答案:I
答案:It
答案:She
答案:He
答案:We
答案:They
答案:You
二、单项选择
答案:B
答案:A
答案:C
——能力提升——
一、句型转换
答案:am not
答案:Is she
答案:are not
答案:Is he
答案:is not
二、划出错误并改正
错误:she
改正:She
错误:无代词错误,谓语 is
改正:are
错误:He
改正:It
错误:无代词错误,谓语 is
改正:They are
——综合拓展——
一、短文填空
【答案】
1.I 2.I 3.She 4.are 5.It 6.be
二、书面表达
参考范文
Hello, I am Li Hua. I am twelve. I have a new friend. Her name is Amy. She is from Canada. We are in the same class. We have a cute cat. It is white. We like reading books. Let’s read books together after school. I love my new friend very much.

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