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肯定句变否定句的例子
肯定句变否定句20个例子英语：
1、肯定句：She is going to China next month.
否定句：She isn't going to China next month.
2、肯定句：There were some ducks and chickens on the farm too.
否定句：There weren't any ducks or chickens on the farm either.
3、肯定句：I am a teacher.
否定句：I am not a teacher.
4、肯定句：I can play the pianno well.
否定句：I cannot play the pianno well.
5、肯定句：His family will fly to Beijing.
否定句：His family won't fly to Beijing.
6、肯定句：The little boy should go to bed early.
否定句：The little boy shouldn't go to bed early.
7、肯定句：The students often sing songs after school.
否定句：The students don't often sing songs after school.
8、肯定句：The boys runs fast.
否定句：The boys doesn't run fast.
9、肯定句：The king showed his new clothes to us.
否定句：The king didn't show his new clothes to us.
10、肯定句：l am a student.
否定句：l am not a student.
11、肯定句：He is here.
否定句：He isn't here.
12、肯定句：They are going to go fishing this week.
否定句：They are not going to go fishing this week.
13、肯定句：They are working hard.
否定句：They are not working hard.
14、肯定句：She was a teacher.
否定句：She wasn't a teacher.
15、肯定句：They were very happy.
否定句：They weren't very happy.
16、肯定句：We can dance very well.
否定句：We can not dance very well.
17、肯定句：Tom has something to tell his teacher.
否定句：Tom doesn't have something to tell his teacher.
18、肯定句：My mother does some washing every morning.
否定句：My mother doesn't do some washing every morning.
19、肯定句：Alice likes singing and dancing.
否定句：Alice doesn't like singing and dancing.
20、肯定句：We visited the old man yesterday.
否定句：We didn't visite the old man yesterday.
英语把肯定句改成否定句和疑问句
1、疑问句变否定句，
eg:does
she
like
sports?
---she
doesn't
like
sports.
变法：先将疑问句还原为陈述句，如上题，改为陈述句后是：she
(does)
like
sports.再将陈述句加上否定词，就可以改为否定句了。
2、疑问句变肯定句，
eg:does
she
like
sports?
----she
(does)
like
sports.
（括号里的助动词does可要可不要，只是为了加强语气，意为“确实……”）
改法：将主语提前至句首就ok了
3、否定句变疑问句，
eg:i
don't
like
sports.
---do
you
like
sports?
改法：将助动词do
提前至句首，句子结构为：do
+
主语
+
谓语动词
+
宾语
4、否定句变肯定句,
eg:i
don't
like
sports.
----i
(do)
like
sports
改法：很简单的，直接将否定词not去掉就好了
看来你是英语初学者呢～加油哦
！
小学英语肯定句变否定句和一般疑问句类型
肯定句改否定句可大致分为三类：
1.有be动词或者情态动词的肯定句变否定句
2.没有be动词也没有情态动词，有实意动词(表示动作的动词)的肯定句变否定句
3.含有动词have/has的肯定句变否定句
以下对上述三种肯定句变否定句的变化规则依次讲解
1.有be动词或者情态动词的肯定句变否定句
转变方法：在be动词或情态动词后面直接加not
例1. I am a student. → Iam nota student.
例2. You are sad. → Youare not sad.
例3. I can swim. → Ican notswim.
例4. You will go to the park.
→ Youwill notgo to the park.
2.没有be动词也没有情态动词，有实意动词(表示动作的动词)的肯定句变否定句
转变方法：借助助动词（do, does, did）来帮助否定
①当句中的动词是原形时，加don't。
例1.I like English.
→ I do not like English.
例2.You have dinner.
→ You do not have dinner.
②当句中的动词是第三人称单数时，加doesn't ，再加动词原形。
例1. She likes singing.
→She doesn't like singing.
例2. She does her homework.
→ She does not do her homework.
③当句中的动词是过去式时，用didn't，加动词原形
例: We had a great time during our holidays.
→We did not have a great time during our holidays.
3. 动词have/has的特殊说明:
①当have表示“某人有什么的时候”，其否定形式为have not/has not
例: She has two books.
→ She has not two books.
②当have作为实意动词时，其否定形式为 do not have/does not have
例: You have dinner.
→You do not have dinner.
③当have在完成时中作为助动词时，其否定形式为have not/has not
例: I have seen this film.
→ I have not seen this film.
4. 一些特殊说明:
①肯定陈述句中的some/too，在否定陈述句中应改为any/either。
例1.He has some milk.
→ He hasn’t any milk.
例2. I have books. She has books,too.
→ I have not books. She has not books,either.
②肯定陈述句中若有and连接两个并列的成分，在否定陈述句中通常应改为or。
例: There are students and teachers in the classroom.
→There are not students or teachers in the classroom.
但以下几种状况，不需要改为or
A. 句子中出现两个否定词。
如: Men cannot live without air and water.
B. and列举的成份前都有否定词。
如: It has no eyes and no ears.
C. and列举的成份在否定词前面。
如: Tom and Merry can not write their names.
D. and构成的固定词组。
如: He did not work day and night.
E. and连接两个表示先后发生的动作。
如: Don't drink and drive.
英语句子
1.否定句：I donthave a new bike.
一般疑问句：Do you have a new bike?
肯定：Yes，I do.
否定：No，I dont.
2.否定句：Shedoesnt havea small mouth.
一般疑问句：Does she have a small mouth?
肯定：Yes，she does.
否定：No，she doesnt.
3.否定句：They donthave different looks.
一般疑问句：Do they have different looks？
肯定：Yes,they do.
否定：No,they dont.
4.否定句：Hedoesnt have big ears.
一般疑问句：Does he have big ears？
肯定：Yes，he does.
否定：No，he doesnt.
5.否定句：Maria and Janedont come from from England.
一般疑问句：Do Maria and Jane come from from England？
肯定：Yes，Maria and Jane do.
否定：No，Maria and Jane dont.
6.否定句：She isnt from japan.
一般疑问句：Is she from japan？
肯定：Yes，she is.
否定：No，she isnt.
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