📑 文章目录
一、Be动词是什么?
Be动词是英语里最基础的动词之一,意思是"是"。在中文里,我们说"我是学生""你是朋友",这个"是"就是Be动词的意思!
我是学生 → I am a student.
你是朋友 → You are a friend.
它是一只猫 → It is a cat.
英语里的Be动词有三种形式:am、is、are。不同的"人"要用不同的形式哦!
二、am / is / are 用法口诀
我用am,你用are,
is连着他她它。
单数名词用is,
复数名词全用are。
(唱两遍就会啦!)
I am a student. 我是一名学生。
I am happy. 我很开心。
I am seven years old. 我七岁了。
He is my brother. 他是我的哥哥。
She is my teacher. 她是我的老师。
It is a dog. 它是一只狗。
The cat is cute. 这只猫很可爱。(单数名词)
My book is red. 我的书是红色的。(单数名词)
You are my friend. 你是我的朋友。
We are classmates. 我们是同学。
They are students. 他们是学生。
The dogs are big. 这些狗很大。(复数名词)
My books are new. 我的书是新的。(复数名词)
三、肯定句、否定句、疑问句
结构:主语 + am/is/are + 其他
I am a boy. 我是一个男孩。
She is tall. 她很高。
They are friends. 他们是朋友。
结构:主语 + am/is/are + not + 其他
I am not sad. 我不难过。
He is not at home. 他不在家。
We are not tired. 我们不累。
结构:Am/Is/Are + 主语 + 其他?
Are you happy? 你开心吗?
→ Yes, I am. / No, I'm not.
Is he a doctor? 他是医生吗?
→ Yes, he is. / No, he isn't.
Are they students? 他们是学生吗?
→ Yes, they are. / No, they aren't.
四、缩写形式
在口语和日常写作中,我们经常把Be动词和前面的词缩写在一起,这样更自然、更顺口!
| 完整形式 | 缩写形式 | 例句 |
|---|---|---|
| I am | I'm | I'm a student. |
| You are | You're | You're nice. |
| He is | He's | He's tall. |
| She is | She's | She's kind. |
| It is | It's | It's a cat. |
| We are | We're | We're friends. |
| They are | They're | They're happy. |
| is not | isn't | He isn't here. |
| are not | aren't | They aren't late. |
五、趣味小故事 🐱
一只小猫(It)想交朋友。
它看到一只小狗,问:"Are you my friend?"(你是我的朋友吗?)
小狗说:"Yes, I am!"(是的,我是!)
它们又看到一只小鸟,问:"Is it our friend?"(它是我们的朋友吗?)
小鸟说:"Yes, I am! We are good friends!"(是的,我是!我们是好朋友!)
🎉 从此,它们三个成为了最好的朋友!
六、练习题
🧠 练习一:选择 am, is 或 are 填空
- I _______ a pupil.
查看答案
am(I 搭配 am) - She _______ my mother.
查看答案
is(she 搭配 is) - The cats _______ cute.
查看答案
are(复数用 are) - We _______ in the classroom.
查看答案
are(we 搭配 are) - My dog _______ brown.
查看答案
is(单数用 is)
🧠 练习二:连线题
把左边和右边正确的搭配连起来:
1. I
2. You
3. He
4. They
5. The book
a. is
b. are
c. am
查看答案
1-c (I am)
2-b (You are)
3-a (He is)
4-b (They are)
5-a (The book is)
🧠 练习三:改写句子
把下面的句子改成否定句和疑问句:
- He is a teacher.
否定句:查看答案
He is not/isn't a teacher.
疑问句:查看答案
Is he a teacher? - They are happy.
否定句:查看答案
They are not/aren't happy.
疑问句:查看答案
Are they happy?