Unit1 Let's be friends语法精练（专项训练）-2025-2026学年外研版（三起）（2024）英语三年级上册

外研版英语三年级上册 Unit1 Let's be friends 语法精练

语法点拨

1. 人称代词主格：I（我）、you（你 / 你们）、he（他）、she（她）、it（它）、we（我们）、they（他们 / 她们 / 它们），在句首作主语，如 “He is Tom.”“We are friends.”；
2. be 动词用法：I 后接 am，you/we/they 后接 are，he/she/it 后接 is；否定形式为 “be+not”（isn't=is not，aren't=are not）；
3. 基础交际句型：自我介绍（I'm.../My name is...）、询问姓名（What's your/his/her name?）、询问身份（Who is he/she?）、问候回应（Nice to meet you! — Nice to meet you too!）；
4. 形容词性物主代词：my（我的）、your（你的 / 你们的）、his（他的）、her（她的），后必须接名词，如 “my bag”“her pencil”。

一、人称代词与 be 动词匹配填空（15 分，每小题 1.5 分）

根据括号内的主语，选择正确的 be 动词（am/is/are）填空，补全交友相关句子。

1. I ________ (be) Mike. I am from Shanghai.
2. You ________ (be) a nice girl. Let's be friends.
3. He ________ (be) Jack. He likes playing balls.
4. She ________ (be) Lily. She has a red pencil.
5. It ________ (be) a small cat. Its name is Mimi.
6. We ________ (be) in Grade Three. We go to school together.
7. They ________ (be) Amy and Sam. They are brother and sister.
8. —________ (be) you a new student?  —Yes, I am.

9.—________ (be) he your classmate?  —No, he isn't.

10.My grandparents ________ (be) kind. They love me very much.

二、形容词性物主代词填空（15 分，每小题 1.5 分）

从 my, your, his, her 中选择合适的词填空，描述朋友与物品的关联。

1. —What's ________ name?  —My name is Lucy.
2. This is Tom. ________ friend is Bob. They often play together.
3. She is Amy. ________ pencil is yellow. I like the colour.
4. —Is this________ruler? —Yes, it is. Thank you for finding it.
5. I have a new book. ________ book has many pictures.
6. He is Sam. ________ bag is blue. It's on the desk.
7. —What colour is ________ pen? —It's black. I use it to write.
8. She is Linda. ________ favourite game is hide-and-seek.
9. This is my new friend. ________ name is John.
10.        —Is that________eraser? —No, it isn't. My eraser is green.

三、基础交际句型补全（15 分，每小题 3 分）

根据语境，用单元核心句型补全对话，完成问候与介绍。

1. —Hello!I'm Tom. ________ ________ your name? —My name is Amy.
2. —Good afternoon! I'm Jack.

—Good afternoon! ________ ________ Mary.

3.—Hi! Are you a new friend here?  —Yes, ________ ________.

4.—________ is she?   —She is my sister. Her name is Lily.

5.—Nice to meet you, Sam!

—________ ________ ________ ________ too, Mike!

四、单选（20 分，每小题 2 分）

(  ) 1. —Hi! I'm Lucy. What's ________ name? —My name is John.

A. my    B. your    C. his    D. her

(  ) 2. ________ is Amy. ________ is my good friend.

A. She; She    B. He; He    C. It; It    D. I; I

(  ) 3. —________ you Lily?  —Yes, I am.

A. Am    B. Is    C. Are    D. Be

(  ) 4. This is Jack. ________ favourite food is bananas.

A. My    B. Your    C. His    D. Her

(  ) 5. —Who ________ she?  —She is my English teacher.

A. am    B. is    C. are    D. be

(  ) 6. We ________ good friends. We help each other every day.

A. am    B. is    C. are    D. be

(  ) 7. —Is he your brother?  —No, he _____.

A. is    B. isn't    C. are    D. aren't

(  ) 8. —What's ________ name?  —Her name is Linda.

A. my    B. your    C. his    D. her

(  ) 9. I ________ a blue pen. ________ pen is in my pencil-box.

A. have; My    B. has; Your    C. have; His    D. has; Her

(  ) 10. —Nice to meet you, Lucy!  —_______

A. Hello!    B. Hi!    C. Nice to meet you too!    D. Goodbye!

五、情景对话补全（15 分，每小题 3 分）

根据 “交友” 情景，选择合适的句子补全对话（填序号）。

选项：A. What's your name?  B. Nice to meet you too! 

C. Who is he?  D. Are you in Class 1?  E. I'm Tom.