内容正文:
人教版三年级上册Unit 2 Different families
常考易错语法专项练习(精讲+刷题+答案)
单元语法终极速记口诀
男he女she要分清,我am你are他is行;
This is介绍不缩写,my加名词记分明;
Who问身份答对应,家庭句型稳拿分!
语法一:人称代词 he / she 用法(单元最高频易错)
✅ 语法精讲
1.he:指代 男生、男性亲人(爸爸、弟弟、爷爷、叔叔),译为“他”
2.she:指代女生、女性亲人(妈妈、妹妹、奶奶、阿姨),译为“她”
3.固定句型:He is… / She is… (他/她是……)
⚠️ 易错点拨
很多学生混淆男女代词!口诀:男he女she,分清性别不犯错;人称代词首字母必须大写。
📝 专项练习(10道)
用 he / she 填空
1. This is my father. ________ is tall.
2. This is my mother. ________ is nice.
3. This is my brother. ________ is little.
4. This is my sister. ________ is cute.
5. My grandpa is old. ________ likes me.
6. My grandma is kind. ________ loves me.
7. This is my uncle. ________ is strong.
8. This is my aunt. ________ is beautiful.
9. My cousin is a boy. ________ is ten.
10. My cousin is a girl. ________ is nine.
语法二:be动词 am / is / are 主谓一致(核心必考)
✅ 语法精讲
1.I 搭配 am (我是)
2.单数(he/she/it/单个家人)搭配 is
3.you/复数家人搭配 are
4.万能口诀:我用am,你用are,is用于他她它,单数is复数are
⚠️ 易错点拨
家庭成员单数一律用is,切勿乱用are;I只能搭配am,无I is / I are用法。
📝 专项练习(10道)
用 am / is / are 填空
1. I ________ a student.
2. She ________ my mother.
3. He ________ my brother.
4. You ________ my friend.
5. My father ________ tall.
6. My sister ________ cute.
7. They ________ my family.
8. My grandpa ________ old.
9. We ________ happy.
10. The baby ________ little.
语法三:核心介绍句型 This is...(考试句型高频考点)
✅ 语法精讲
1.固定句型:This is my + 家庭成员 这是我的……
2.用法:专门用于当面介绍家人、朋友,是本单元最核心句型
3.拓展:This is 不能缩写,无 This’s 错误写法
⚠️ 易错点拨
初次当面介绍人物,优先用 This is…,不直接用 He/She is…;my 后面必须接名词,不能单独使用。
📝 专项练习(句型转换/补全句子 8道)
一、补全句子(每空一词)
1.________ ________ my father.(这是我的爸爸)
2.This is ________ ________.(这是我的妈妈)
3.________ ________ my sister.(这是我的妹妹)
4.This is ________ ________.(这是我的爷爷)
二、判断正误,对的打√,错的打×并改正
5. This’s my brother. ( ) ________
6. This is my aunt. ( ) ________
7. This my grandpa. ( ) ________
8. This is me friend. ( ) ________
语法四:who 特殊疑问句型(问答高频易错)
✅ 语法精讲
1. 问句:Who is he/she? 他/她是谁?
2. 答句:He/She is my + 家人.
3. who 专门用来询问人物身份,不询问物品、地点
⚠️ 易错点拨
问答人称必须对应:问he答he,问she答she,禁止人称混用;问句is不能遗漏。
📝 专项练习(问答配对/补全句子 8道)
一、单项选择
( ) 1. —________ is she? —She is my mother.
A. Who B. What C. Where
( ) 2. —Who is he? —________ is my brother.
A. She B. He C. I
二、补全问答
3. —Who is ________?(她是谁?)—________ is my sister.
4. —________ is he?(他是谁?)—________ is my grandpa.
5. —Who is she? —She ________ my aunt.
6. —Who is he? —He ________ my uncle.
7. —________ is that girl? —She is my cousin.
8. —Who is that boy? —________ is my cousin.
语法五:my 形容词性物主代词用法(基础易错)
✅ 语法精讲
1. my 形容词性物主代词,译为“我的”
2. 固定用法:my + 名词(家人/物品),必须修饰名词,不能单独使用
3. 对比:I(我,主语)≠ my(我的,修饰名词)
⚠️ 易错点拨
高频错误:I mother / me father,正确用法:my mother / my father
📝 专项练习(改错/填空 8道)
一、用 I / my 填空
1. ________ am a pupil. 2. This is ________ family.
3. ________ love my parents. 4. ________ sister is cute.
二、改错(划出错误并改正)
5. I father is tall. ________
6. This is me brother. ________
7. My am happy. ________
8. She is I grandma. ________
语法六:family 集合名词用法(拓展易错点)
✅ 语法精讲
1. family 意为“家庭、家人”
2. 指代一个家庭整体,作单数,搭配 is
3. 指代全体家人,可表复数,搭配 are
⚠️ 易错点拨
小学阶段重点掌握:My family is happy.(我的家庭很幸福)最常用。
📝 专项练习(4道)
选词填空(is / are)
1. My family ________ happy.
2. My family ________ all kind.
3. This ________ my big family.
4. My family ________ my best gift.
完整版参考答案+简单解析
语法一:he / she 答案
1. He 2.She 3.He 4.She 5.He 6.She 7.He 8.She 9.He
10.She
解析:男性人物用he,女性人物用she,首字母必须大写。
语法二:am/is/are 答案
1.am 2.is 3.is 4.are 5.is 6.is 7.are 8.is 9.are 10.is
解析:I配am,单数人/事物配is,复数、you、we配are。
语法三:This is 句型 答案
1.This is 2.my mother 3.This is 4.my grandpa
5.× 改正:This is my brother.(无This’s缩写形式)
6.√
7.× 改正:This is my grandpa.(缺少be动词is)
8.× 改正:This is my friend.(me改为形容词性物主代词my)
语法四:who疑问句 答案
1.A 2.B
3.she; She 4.Who; He 5.is 6.is 7.Who 8.He
解析:who用于询问人物身份,问答人称严格对应,单数主语be动词用is。
语法五:I/my 用法 答案
1.I 2.my 3.I 4.my
5.I→My 6.me→my 7.My→I 8.I→my
解析:I作主语单独用,my后必须接名词表“我的”。
语法六:family 用法 答案
1.is 2.are 3.is 4.is
解析:强调家庭整体用is,强调多位家人成员用are。
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