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肯定句变否定句的方法英语
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.
如何将英语的肯定句转换成否定句呢
小学英语中的句型转换属于较难的题型，对孩子的英语综合能力有一定要求。除了必须掌握基础的词汇外，还要对语法知识和句子语序有很好的掌握，很多孩子在这种题型上失分比较严重，其实是他们没有掌握好方法。
小学英语的句型转换就只有那几种类型，只要我们掌握了正确的方法，就不怕不会做啦！
一、肯定句改否定句的方法
1、 在 be动词后加 not。如： is not ， are not ， am not
2、 在 can，should， will等后加not。
如： can not， should not，will not；
3、 上述都没有的，在动词前加助动词否定形式d on’t/doesn’t/didn’t。
4、 some改成 any。
如： I am a girl. → I am not a girl.
You are a student. →You are not a student.
→You aren’t a student.
This is Tom’s bag, → This is not Tom’s bag.→ This isn’t Tom’s bag.
二、肯定句改一般疑问句的方法
1、把 be动词放在句首，剩下的照抄，(some 改成any，I改成 you，my改成 your)句点改成问号。
2、把 can，shall， will等放到句首，剩下的照抄，(some 改成any，I改成you，my改成 your)句点改成问号。
3、上述都没有的，在句首请助动词 Do/Does/Did帮忙，剩下的照抄，(some 改成any，I改成you，my改成your)句点改成问号。
注意：句首的第一个字母要大写，句尾标点应为“？”。
如：
I am in Class 6. →Are you in Class 6?
You are from America. →Are you from America?
It is an orange. →Is it an orange?
4、就一般疑问句回答
一般疑问句有两种回答，即：肯定回答和否定回答。其中，肯定回答用yes,否定回答用no。语句顺序为：Yes + 主语 + am /is/ are/was/were.|can.|do/does/did|; No + 主语+ am not/ isn’t/ aren’t
如：
—Are you an English teacher?→Yes, I am. /No, I am not.
—Is that a bird? →Yes, it is./ No, it isn’t.
三、对划线部分提问
“就划线部分提问”是小学阶段英语学习的难点，但是一旦掌握了规律，就变得容易多了。小学英语对划线部分提问之答题口诀 ：
一代：用正确的疑问词代替划线部分
二移：把疑问词移至句首
三倒：颠倒主谓语，但对主语或其定语提问时除外（ some改成 any，I改成you，my改成 your）
四抄：照抄句子剩余部分
特殊疑问词的确定要根据划线内容而定,在小学阶段常出现的有以下几种：
①划线部分是“事或物”，特殊疑问词用what
如: This is a book.---What is this?
I often play football on Saturdays .---What do you often do on Sa
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
！
肯定句变否定句的方法英语
肯定句变否定句20个例子英语如下：
1、I think she is there.
否：I don't think she is there.
2、He can sing this song and that one.
否：He cannot sing this song or that one.
3、Tom went to school too.
否：Tom didn't go to school either.
4、He has had supper already.
否：He hasn't had supper yet.
5、He had a good rest just now.
否：He didn't have a good rest just now.
6、Let's do it.
否：Don't let's do it.或Let's not do it.
7、He always gets there on time.
否：He never gets there on time.
肯定句变否定句方法：
1、be动词的否定式。
be 动词根据不同的人称和时态有不同的形式，在一般现在时中是am , is , are可用作联系动词，构成否定式时，一律在其后面加否定词not.
He is reading.——He is not reading. They are from China. ——They are not from China.
2、情态动词的否定式。
情态动词的否定式是在其后面直接加not. 如：
I can swim. ——I can't swim. He can dance. —— He can't dance. You should go to school at seven. ——You shouldn't go to school at seven.
3、实义动词的否定句。
实义动词变否定句时，要借助助动词do , does，在一般现在时中用do或者does其句子结构为：主语+ don't / doesn't+动词原形+其它 。
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