Unit1-3高频易错（专项训练）-2026-2027学年外研版（三起）英语三年级上册

外研版三上英语 Unit 1—3 期中高频易错专项训练

一、词形变化与基础词汇  写出下列单词的相应形式（缩略形式、复数、反义词）。

1. I am（缩略形式）________   2. she is（缩略形式）________   3. he is（缩略形式）________

4. we are（缩略形式）________   5. they are（缩略形式）________   6. is not（缩略形式）________

7. can not（缩略形式）________   8. friend（复数）________   9. pen（复数）________

10. pencil（复数）________   11. book（复数）________   12. bag（复数）________

13. ruler（复数）________   14. eraser（复数）________   15. box（复数）________

16. balloon（复数）________   17. it is（缩略形式）________   18. that is（缩略形式）________

19. what is（缩略形式）________   20. who is（缩略形式）________   21. let us（缩略形式）________

22. day（复数）________   23. kid（复数）________   24. twin（复数）________

25. goodbye（反义词，以 h 开头）________   26. yes（反义词）________

二、用所给词的适当形式填空  重点：am / is / are、物主代词、名词单复数、祈使句。

1. I ________ (be) Sam.

2. She ________ (be) Amy. She's nine.

3. We ________ (be) from the UK.

4. He ________ (be) Daming.

5. They ________ (be) my friends.

6. ________ (be) you Lingling?

7. What ________ (be) this?

8. What ________ (be) that?

9. It ________ (be) a pencil.

10. This is ________ (I) schoolbag.

11. Is this ________ (you) pen?

12. I have two ________ (pen).

13. I have three ________ (book).

14. Amy and Sam ________ (be) twins.

15. ________ (she) name is Amy.

16. ________ (he) is my friend.

17. I can ________ (see) a rainbow.

18. Let's ________ (play) together.

19. ________ (not) open the door.

20. There ________ (be) a ruler in my bag.

三、单项选择  重点辨析：am / is / are、It's 与 They're、isn't 的答语、颜色词。

(    )1. —Hello! Nice to meet you.  —____

A. Nice to meet you, too.    B. Goodbye.    C. Thank you.

(    )2. I ____ Daming.

A. am    B. is    C. are

(    )3. She ____ Amy. She's nine.

A. am    B. are    C. is

(    )4. We ____ from the UK.

A. is    B. am    C. are

(    )5. —What's this?  —____ a book.

A. He's    B. It's    C. She's

(    )6. —Is it a pen?  —No, it ____.

A. is    B. isn't    C. aren't

(    )7. —Is it a ruler?  —Yes, it ____.

A. is    B. aren't    C. isn't

(    )8. This is ____ schoolbag.

A. I    B. me    C. my

(    )9. I have two ____.

A. pen    B. pens    C. pen's

(    )10. —What colour is it?  —It's ____.

A. red    B. a red    C. red colour

(    )11. I want a ____.

A. balloons    B. balloon    C. balloon's

(    )12. Let's ____ together.

A. plays    B. playing    C. play

(    )13. ____ open the door.

A. Not    B. Don't    C. No

(    )14. Look ____ the blackboard.

A. at    B. in    C. for

(    )15. There ____ a pen in my bag.

A. are    B. am    C. is

四、根据首字母或语境填空  注意教材固定搭配与名词单复数。

1. —H________! I'm Sam.

2. Nice to m________ you.

3. We're t________! We are twins.

4. He's n________. He's nine.

5. She's my f________.

6. Let's p________ together.

7. L________ at the picture.

8. It's a p________ case.

9. —Is it a r________?  —Yes, it is.

10. —Is it an e________?  —No, it isn't.

11. It's my s________. I put my books in it.

12. Take c________ of your school things.

13. —What c________ is it?  —It's blue.

14. I w________ a balloon.

15. Look! It's a r________ in the sky.

五、句型转换  重点：缩略形式与完整形式互换、否定句、一般疑问句、对划线部分提问（括号内为划线内容）。

1. I'm Sam.（改为完整形式）

________________________________________________

2. She's Amy.（改为完整形式）

________________________________________________

3. We're from the UK.（改为完整形式）

________________________________________________

4. It is a pencil.（改为缩略形式）

________________________________________________

5. This is a book.（改为一般疑问句）

________________________________________________

6. It is a ruler.（改为否定句）

________________________________________________

7. I can see a rainbow.（改为一般疑问句）

________________________________________________

8. My name is Amy.（对 Amy 提问）

________________________________________________

9. It's red.（对 red 提问）

________________________________________________

10. I want a blue balloon.（对 a blue balloon 提问）

________________________________________________

六、改错  每题只有一处错误，写出正确形式。

1. I is Sam.    改为：________________

2. She are Amy.    改为：________________

3. We is from the UK.    改为：________________

4. What's this? —It's a pens.    改为：________________

5. Is it a pen? —Yes, it isn't.    改为：________________

6. This is I schoolbag.    改为：________________

7. Let's plays together.    改为：________________

8. I want a balloon red.    改为：________________

七、语篇填空  根据语境和括号提示完成短文。

Hello! I (1)________ (be) Sam. I'm nine. This is Amy. She (2)________ (be) my friend. We (3)________ (be) from the UK. We're twins!  —What's (4)________ (this)?  —It's a book. —Is it a pen?  —No, it (5)________ (not be). It's a pencil. I have two (6)________ (pen).  Look (7)________ (介词) my schoolbag. It's blue. Red,