a,an,the的用法区别

三人行教育a,an,the的用法区别

（一）a, an的用法

1.a：用于辅音音素（不是辅音字母）开头的词前，表示单数的数量“一”。a book a desk

2.an：用于元音音素（不是元音字母）开头的词前，表示单数的数量“一”。an apple a big apple an old man

3.元音字母：以元音字母Aa, Ee, Ii, Oo开头的单词基本都是以元音音素开头Uu较特殊

4.辅音字母：26个字母中，除了5个元音字母，其他是辅音字母

5.特殊情况：an umbrella（u发元音） a useful english book（u发辅音）an hour（h是辅音字母，但它不发音）

练习一：用a, an, the填空

1._____book

2._____apple

3._____orange

4._____uncle

5._____eraser

6._____ math book

7._____new book

8._____old book 9._____teacher 10.______English 11.____ hour 12._____good teacher 13.____idea 14.____good idea 15.____island 16.____ astronaut

（二）the的用法

1.一般用于特指：The girl is my sister. 那个女孩是我的妹妹。

2.第二次出现：There is a book on the desk. The book is mine. 书桌上有一本书，那本书是我的。

3.世界上独一无二：the moon月亮the earth地球the Great Wall长城

the sun太阳4.固定的词组：on the desk在书桌上

5.形容词最高级前：Jenny is the oldest girl in the class. 在班里珍妮是年纪最大的女孩。

练习二：选择

( )1.That’s _____ island. I like to go there. A.a B.an C.the ( )2.I have ___ new book. Jenny has ___ old book.

A.a/ an

B.an/ a

C.an/ an

( )3.This is ___ orange. That’s ____big orange.

A.a/ an

B.an/ a

C.an/ an

( )4.Yesterday I studied English for ____ hour. A.an B.the C.a ( )5.This is a bag. ____ ba g is Tom’s. A.A B.An C.The

( )6.___ man is Lisa’s father. A.A B.The C.An

( )7.____ Great Wall is in China. A.A B.The C.An

( )8.My English book is in ___ desk. A.the B.an C./

( )9.She has ___ idea. It’s a good idea. A.a B.a n C.the

练习三：a, an, the填空

1.Tom wants to be _____ scientist(科学家).He wants to go to ___ moon.

2.Jenny has ______ uncle and _____ cousin.

3.I have _____ eraser. _____ eraser is in my bag.

4._____ boy is Tom’s brother.

5.The bird was here ______ hour ago.

6.There is _____ English book on the desk. ____English book is Tom’s.

7.I have _____ book. It is _____ English book. And it has _____ good story. _____ book is in my bag.

8.There is _____ cat under the tree. _____ cat is playing.

一、选择正确的答案

1.I am ___(a, an)student.

2.There is ____(a, an) elephant in the zoo.

3.You are ____(a, an) good boy.

4.I have ____(a, an) orange.

5.Miss Grant is ____( a, an )ugly teacher.

6.This is _____(a ,an)new book.

7.Please take ____(a, an )umbrella.

8.Close ____(a, an ,the)door,please.

9.My father is ____(a ,an) doctor.

10.There is _____(a,an) orange on the table.

11.He gives me _____(a, an )sticker.

12.What is _____(a, an, the )biggest bird in the world?

13.I have ____orange .____orange is very sour.( a, an ,the)

14.My father is ____(a, an, the )man.

15._____(A ,An ,The )moon is in the sky.

16.There’s ____(a, an, the )apple on the table.

17.______(A,An,The) blackboard in our classroom is big.