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be动词用法入门详解与练习

2020-07-02 15:07:00
|小黄

英语是一个特别强调日积月累的学习课程。正确的语言学习方法非常重要,小偏整理了be动词用法入门详解与练习,欢迎参考借鉴。

be动词用法入门详解与练习

1、be动词包括am,is,are三个词。

2、Am、is、are这三个词常在一般现在时中出现,我们可以将其用法归纳如下:

am、is用于主语表单数概念的句中(主语是you除外)。

第一人称单数I配合am来用,常见句型“I am+…”;第三人称单数He、 She 、 It配合is使用,常见句型“She/He/It is +…”如:

I am ten years old.

I am a boy.

She is a good girl.

He is so thin.

It is a dog. 它是一只狗。

Are主要用于主语表复数概念的句中

Are主要用于主语表复数概念的句中(包括一些简单集体名词,如:people,family),第二人称(You)配合are使用,常见句型:“You are+…”

如:

You are great.

Amy and Mary are sisters.苏海和苏洋是姐妹。

The family are all at home.全家人都在家。

There are many apples on the tree. 树上有很多苹果。

代词you是一个单复数同形词,既可表示“你”,又可表示“你们”,所以避免混淆,总是跟are做朋友。

注意:含有be动词的句子的否定是在把not放在be动词的后面。

如:

I am not a student. 我不是学生。

The cat isn’t white.这只猫不是白色的。

They aren’t students.他们不是学生。

常见的简缩形式的变法

1、简缩形式的变法:把倒数第二个字母,通常是元音字母变成' 但are除外, are要把a打成' 。

Eg:I am=I’m he is=he's they are=they're

she is=she’s we are=we’re it is=it’s

2、简缩形式和完全形式的汉语意思相同。

3、记住一个特殊变化;let's =let us 让我们(不要把' 变成i)

4、记住:this is 没有简缩形式 this's(错误)

5、否定的简写形式:is not=isn’t are not=aren’t

be动词用法口诀

我用am,你用are,is连接他,她,它。

单数名词用is,复数名词全用are。变疑问,往前提,句末问号莫丢弃。

变否定,更容易,be后not莫忘记。疑问否定任你变,句首大写莫迟疑。

专题练习及答案

一、写出下列完全形式的简缩形式。

I am=_____ he is= _____ they are=_____

she is=_____ we are=_____ let us=_____

is not=_____ are not=_____ It is=____

who is=____

二、选择题

1. I a girl.

am B. is C. are

2. He a boy.

A. am B. is C. are

3. We boys.

A. am B. is C. are

4. My father a doctor.

A. am B. is C. are

5. Tom and Jack boys.

A. am B. is C. are

6. This a desk.

A. am B. is C. are

三、在下面的短文中填上恰当be动词。

I ______ a girl. My name _______ Mary. I ______ in Class 2, Grade 7. I ______ 12 years old. Here ______ my family photo. Look! These ______ my parents and those _______ my grandparents. This boy ______ my brother. He ______ 15 years old now. That ______ my cat, Mimi. It ______ very lovely.

参考答案

二、ABCBCB

三、I am_a girl. My name is Mary. I am in Class 2, Grade 7. I am12 years old. Here is my family photo. Look! These are my parents and thoseare my grandparents. This boy is my brother. He is 15 years old now. That is my cat, Mimi. It is very lovely.

小学英语介词用法大汇总

1.on

( 1 ) 在------上面 The book is on the desk.

( 2 ) 在------(哪一天/星期)What do you do on Wednesday?

( 3 ) 在------(月、日)My birthday is on August 2nd.

2.in

(1)在------里面 The pens are in the pencil-box.

(2)在------(哪一年/月)

His birthday is in October. He wor ked here in 1992.

(3) 在------(地方) He works in Dongguan.

(4)在------之内 What are you going to do in 20 years?

(5) 在------(早上、下午、晚上)

I do morning exercises in the morning every day.

I usually play basketball in the afternoon.

I often do my homework in the evening.

3.at

(1)在------(点钟)

I usually go to school at 8:00 am.

(2)在中午 at noon

1. under 在------底下 There is a ball under the bed.

2. near 在------附近 There is a book shop near our

school.

3. in front of 在------前面

A boy is standing in front of the house.

4. beside 在------旁边 A football is beside thedoor.

5. next to 紧挨着 There is a bus station next to No. 13 Middle School.

6. over 在------正上方 A bridge is over the river.

7. on the left 在------左边 The bookstore is on the left.

8. on the right 在------右边

The hospital is on the right.

9. before 在……之前 Mike sits before me.

10. after 在------以后 He went home after school.

11. in the middle 在------中间

The road is in the middle.

12. at

(1)在------(小地方) I am at school today.

I was at home yesterday.

(2)看一看 Look at the blackboard.

13. behind 在------后面

There is a broom behind the door.

1.For

(1) 给。This present is for you.

(2) 为了。Thank you for telling me the way to the zoo.

(3)作为。We have some chips and hamburgers for lunch.

2.To

(1)到。Take your sportshoes to the P.E class.

(2)致。Happy birthday to you. Give it to your friend.

3.from 来自 I am from China. = I come from China.

4.from --- to 从------到------ Line up from shorter to taller. We have class from Monday to Friday.

5.of ------的 He is a student of Kama School.

6. by

(1)在------之前。We must be at home by 6 o’clock.

(2)乘------交通工具。

People can go to the moon by spaceship.

I go to school by bus.

7.With

(1) 用。I write a letter with a pen.

(2) 和------一起。He went to Shenzhen with his parents.

8.between 在------与------之间 。

There is a football match between Class One and Class Three.

9. into 到------里。Sharks can dive into the deep cold water.

10. like

(1)像------ The twins are like their father.

(2)长相------怎样?What’s he like?

11. about

(1)大约;关于 It’s about 6:00 now.

(2)------怎么样?What about---? How about--?


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