连词antbutsobecau用法
并列连词and，but，so，becau用法
橙子皮的功效与作用基本用法
1.and的用法
and用来连接两个并列的成分，表示添加、补充、引申。
She sings and dances very well.
她唱歌跳舞都很好。
低压电气My tall friend is handsome, intelligent and strong.
我的那个高个子朋友长得英俊，头脑聪明，身体又强壮。
2.but的用法
并列连词but意为“但是”，表示转折关系，所连接的成分意思相反或相对。例如：
（1）Our school is small but beautiful.我们学校虽然小但很漂亮。（连接两个形容词，意思相对）
（2）The car is very old but it runs very fast.虽然小汽车旧了，但跑得很快。
3.so的用法
并列连词so表示“因此、所以”之意，常用来连接两个简单句，这两个简单句有意思上的因果关系。例如：
（1）The rain began to fall,so we went home.天开始下雨了，所以我们就回家了。
（2）Everyone in the town knew him ,so we had no trouble finding his hou.镇上谁都认识他，因此他们毫不费力就找到了他的家。
so和从属连词becau（因为）不能一起连用。也就是说，使用了并列连词）。
四年级美术教案就不用becau(从属连词）；使用了becau，就不用so。例如：
He was ill,so he didn't go to school 他病了，所以没去上学。
He didn't go to school becau he was ill.他没去上学,因为他病了。
1.表示原因，语气较强，可用来回答why 提出的问题。如：少年电脑世界
A：Why do you love her? 你为什么爱她? B：Becau she is kind. 因为她很善良。
2.汉语说“因为……所以……”，但英语却不能用becau…so…这样的结构。becau不能和so连用，一山不能容二虎如：
正：Becau he is ill，he can't come．因为他生病了，所以来不了。
正：He is ill，so he can't come．他生病了，所以来不了。
误：Becau he is ill，so he can't come．
相关练习题
一、用and, but, so，becau填空填空。
She is tall ________ thin.苹果红富士
He is not my father, ________ my uncle.
I didn’t get up at 7:00 this morning, ________ I was late for school.
I study hard , ________ I want to pass the exam.
I am tired today, ________ I go to bed early.
He is not my friend, ________ my enemy.
The story is very interesting , ________ we all like it .
The door was locked, ________ we couldn’t get in .
It is very cold , ________ wear a heavy coat.
相关练习：
( ) 1. Go ahead ________ you will e the hospital.
A. and
B. or
C. but
D. so
( ) 2. I want to take a Japane cour , ________ I want to improve my Japane .婚宴邀请
A. and
B. or
C. becau
D. so
( ) 3. She is good at playing football ________ playing basketball.
A. and
B. or
C. but
D. so
( ) 4. I want to join the swimming club, ________I love swimming.
A. becau
B. or
C. but
D. no
( ) 5. The rain begins to fall, ________ we must go home.
A. and
B. or
C. but
D. so
( ) 6. He is small ________ he is still strong.
A. and
B. or
C. but
D. so
( ) 7. I want to join the English club ________I want to improve my English.
A. and
B. becau
C. but
D. so
More Practice
用连词and，but，和so填空。
My brother is ill, ______ I have to stay at home.
He has a lot of money, ________ he spends little.英国国徽
Take some medicine, _________ you will feel better.
I came to e him, __________ he wasn’t at home.
Work hard, _________ you will pass the English exam.
14岁男孩标准身高Ⅱ单项填空
1. They are good at swimming, _______ I am not.
A. and
B. but
C. so
D. or
2. The old woman can’t read ________ write.
A. and
B. or
C. but
D. and can
3. _________ John felt tired, ________ he still went on working.
A. Becau; so
B. Although; but
C. /; so
D. /; but
4. He is rich, ________ he isn’t happy.
A. but
B. and
C. or
D. so
5. Lucy has en the film, ________ Lily hasn’t.
A. and
B. or
C. but
D. so
6. – Would you like to go to the cinema with me?
-- I‘d like to, _____ I ‘m afraid I have no time.
A. so
B. or
C. and
D. but
7. Jenny, put on your coat _________ you will catch a cold.
A. but
B. and
C. or
D. so
8. Last night I went to bed late, ________ I am really tired now.
A. so
B. or
C. but
D. becau
