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 book8._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.Thats _ 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. Thats _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. _ bag is Toms. A.A B.An C.The ( )6._ man is Lisas 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. Its a good idea. A.a B.an 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 Toms brother. 5.The bird was here _ hour ago. 6.There is _ English book on the desk. _English book is Toms. 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.Theres _(a, an, the )apple on the table. 17._(A,An,The) blackboard in our classroom is big. 18.He likes to play _(a,an,the)piano. 19.Monday is _(a, a, the )first day of the week. 20.My favorite animal is _(a, an ,the) cat. 二、在需要的地方填入适当的冠词，不需要的地方填/。 1This is _egg. Its _small egg. 2Jim has_ big head. 3Who is_ girl in green? 4-Do you have_ knife? -Yes, I do. I only have_ small one. 5.Lucy and Lily look_ same. 6.Jim is from_ USA. Mike is from_ Englan