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四年级肯定句改否定句英语怎么说

发布时间: 2021-01-21 11:04:00

A. 英语中把肯定句改成否定句的规则

否定句只是句子的意思变成了否定,并使更改句子的结构和时态。所以如果进行时ing的话,当然不能还原了。时态不变原则。
1
时态不变
2
主动被动不变
3
人称不变
4
结构不变(不定式、从句、情态动词。。。)

B. 英语中怎么将肯定句改成否定句

每一个到西安旅游的外国人,都要去看一看秦兵马俑这一壮丽奇观。
否定句:内每一个到西安旅游容的外国人,谁不去看一看秦兵马俑这一壮丽奇观?
双重否定句:每一个到西安旅游的外国人,是不会不去看一看秦兵马俑这一壮丽奇观的。

C. 小学英语肯定句变否定句

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 ring our holidays.
→We did not have a great time ring 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.

D. 肯定句改否定句英语

肯定句和否定句
含否定词的句子称为否定句(Negative Sentence),不含否定词的句子就称为肯定句(Affirmative Sentence)。例如:
例:Mr. Walker is an Englishman.
(华克先生是英国人。——肯定句)
例:He is not an American.
(他不是美国人。——否定句)
简单地说,表达事物的“Yes”这一面的句子就是肯定句,“No”的一面的就叫做否定句。
传统的英语入门都是先学肯定句,然后再学肯定句的反面,亦就是否定句。否定句的表达方式基本上有下面的两种。
(1)使用副词否定词“not”,例如:
(a)be,have为主要动词:
例:I am not a good swimmer.
(我不是一个游泳的好手。)
例:He was not at home yesterday afternoon.
(昨天下午他不在家。)
例:I have not much money.
(我没有很多钱。)
例:He has not many friend here.
(在这里他没有很多朋友。)
解说“be/have +not”常缩短成一词,尤其是日常谈话更是如此。例如:
例:You aren't [a:nt] a friend of his, are you ?
(你不是他的朋友吧,是不是?)
例:He isn't [>!znt] my brother.
(他不是我的兄弟。)
例:I wasn't [>w&znt] there at that time.
(当时我没有在那儿。)
例:There weren't [w+:nt] many people at the party yesterday.
(昨天没有很多人参加宴会。)
“am +not”不是“amn't”,而是“aren't”或“ain't[eint]”,例如:
例:I ain't ready.
(我还没准备好。)
例:I am very nice to you, aren't I?
(我对你很不错,是不是?)
美国人用“ain't”很随便,应该是“are not,is not,have not,has not”的地方,他们也会“ain't”一下就带过去,宜注意。
下面例句是“have not,has not”的缩短形。
例:I haven't[>h$vnt] a headache.
(我没有头痛。)
例:He hasn't[>h$znt] come yet.
(他还没来。)
(b)be,have为助动词
例:You aren't going to go to her birthday party, are you?
(你不打算参加她的生日宴会,是不是?)
例:It isn't raining outside.
(外面没有在下雨。)
例:She wasn't asked to speak at the meeting.
(她没有被请求在会上讲话。)
例:I haven't done anything wrong to her.
(他没有做对不起她的事。)
例:He hasn't yet paid the money.
http://www.oh100.com/a/201105/29.html
(他尚未付钱。)
be+ V -ing(进行时),be +P.P.(过去分词)(被动词态),have(has,had)+P.P.(完成时)等的“be,have(has,had)”皆为助动词。例1的“be going to …”在学校文法中也常被视为助动词。
(c)“助动词+V”时
动词带有助动词“will,shall,can,may,must,need,dare,ought to,used to,had better”等时,将“not”置于助动词与主要动词之间。例如:
例:I will not do it again.
I won't[wount] do it again.
(我不愿意再做这种事。)
例:The old man cannot find his way home.
(那个老人找不到回家的路。)
例:I couldn't sleep last night.
(昨夜我无法入睡。)
例:You ought not to swim in the river.
(你不应该在河里游泳。)
例:You had better not tell her everything.
(你最好不要样样事情都告诉她。)
注:“can”的否定形式是“cannot or can't”,不可写成“can not or cann't”。
(d)使用助动词“do”的否定句
一般动词的否定句通常使用助动词“do”,句式如下:
句型 do(does, did)+not + V(原形动词)
例:I don't know her very well.
(我并不很了解她。)
例:He doesn't like Chinese tea very much.
(他并不很喜欢中国茶。)
例:She didn't come to school this morning.
(今天早上她没有来上学。)
例:Don't believe him.
(不要相信他的话。)
注:“have”表达“有”以外的意义时,其否定句通常使用助动词“do”,例如:
例:Usually I don't have (=eat) breakfast on Sunday morning.
(通常星期天早上我不吃早餐。)
例:She doesn't have (=drink) coffee for breakfast.
(她不把咖啡充作早餐喝。)
例:We didn't have (=enjoy) a good time there yesterday.
(昨天我们在那里玩得不愉快。)
不过美式英语“have”作“有”的意义使用时也如一般动词使用助动词“do”,例如:
例:I don't have brothers.
(我没有兄弟。)
例:We didn't have time enough to finish the work.
(我们当时没有足够的时间完成那件工作。)
(2)使用“not”以外的否定词
“not”以外的否定词有:
(a)副词:never,seldom,hardly,little,neither,etc.
例:She never comes to school late.
(他上学从不迟到。)
例:She seldom comes to see me.
本文来源于百分网(http://www.oh100.com/),转载请保留此标记,谢谢!
(她不常来看我。)
(b)形容词:no,few,little,etc.
例:I have no brothers.(=I don't have brothers.)
(我没有兄弟。)
例:He has few friends in Hong Kong.
(他在香港几乎没有朋友。)
(c)代词:nothing,nobody,none,etc.
例:I know nothing about computer.
(对于电脑我一窍不通。)
I found nobody about computer.
(在那栋房子里我没看到任何人。)

E. 英语中肯定句怎么变否定句

你好,要想学好英语,你要不断积累,这样你就可以将英语学好。我帮你总结几点,供你参考,谢谢。
一、当肯定句的谓语动词是be或由be构成时,改为否定句,应在be后面加not。二、当肯定句的谓语动词只是行为动词时,改为否定句,要用“助动词do(does,did)+not+动词原形”。三、当肯定句的谓语是由“情态动词can,may,must等+动词原形”构成或由“助动词will,have,had等+动词原形(或动词的现在分词、过去分词)”构成,变否定句,要用“情态动词/助动词+not+动词原形(或动词的现在分词、过去分词)”构成。四、当肯定句的谓语是have时,分两种情况:1.当have作“有”讲时,变否定句的方法有:a.由have
+not
+其它;b.由have
+no
+其它;c.由
don't(doesn't,didn't)+have+其它。2当have既不当作“有”讲,也不是助动词,而是行为动词时,改为否定句,要用“助动词do,
does,did等+not
+have”构成。五、当肯定句中含有情态动词have(has)to时,改为否定句,有两种构成法,一种借助do,一种不借助do(仅限于现在时和过去一般时),多数人用第一种形式。六、当肯定句中含有too,also时,改为否定句,须将too,
also改为either。七、当肯定句中含有always时,改为否定句,须将always改为never。八、当肯定句中含有already时,改为否定句,须将already改为
yet。九、当肯定句中含有nearly时,改为否定句,须将nearly改为
hardly。
如果能对你有所帮助,我就高兴。

F. 英语的否定句和肯定句怎么写

一.肯定句:是指用肯定的语气来陈述的句子。
例:
This
is
my
pen。
这是我的笔。
He
works
in
a
hospital。
他在医院工作。
There
are
four
fans
in
our
classroom。
我们教室里有四个风扇。
二.否定句:含有否定词或表示否定意义词的句子。
例:
This
is
not
my
pen。
这不是我的笔。
He
does
not
(doesn’t)
work
in
a
hospital。
他不在医院工作。

There
are
not
(aren’t)
four
fans
in
our
classroom。
我们教室没有四个风扇。
三.肯定变否定,有以下2种情况
1.有am
/
is
/
are,就在它们后面加
not。
am

am not
is

is not
are

are not
比如:
I am a
girl。→
I am
not a
girl。
我是女孩。→我不是女孩。
2.没有
am
/
is
/are,
但有表示动作的动词(比如eat),就在动词前加
don't

doesn't,
动词为原形。
V原→
don't
+
V原
V(-s,
-es结尾)

doesn't
+
V原
eat
→ don't eat
eats → doesn't eat
比如:
I drink cola。→I don't
drink cola。
我喝可乐。→我不喝可乐。
She drinks cola。→
She doesn't
drink cola。
她喝可乐。→她不喝可乐。

(6)四年级肯定句改否定句英语怎么说扩展阅读
一.否定句主要是在肯定句的基础上加上了否定词
“not”。
二.有动词be的句子则“not”加在be后面,可缩写成“isn’t,aren’t”,但am
not
一般都分开写。
三.没有动词be的句子则要先在主要动词的前面加上一个助动词(do,does,did),然后在它后面加上“not”,你也可以把它们缩写在一起如“don’t
,
doesn’t
,
didn’t
)。
四.上面三个助动词要根据人称和时态来选择,其中“does”只用于一般现在时主语是第三人称单数的情况,而“did”只用于一般过去时,不论主语是什么人称和数,都用“did”

G. 英语中怎么将肯定句改成否定句啊要详细点的,最好把各种情况考虑到。

1.主系表结构的句子
I am a teacher. ----- I am not a teacher.
He is in Beijing.----- He is not in Beijing.
We are classmates.----- We are not classmates.
It was cold yesterday.----- It was not cold yesterday.
这些句子中都有系词,,is,are,was,were,只要在系词后面+not ,就变成否定句了。
2.主谓宾的句子
He runs fast.----- He doesn't run fast. 主语是三单人称,do也要用三单形式does
They learn from me.------ They don't learn from me.
We went to school by bike .----- We didn't go to school by bike. 谓语动词是过去式,do也要变过去式did
这些句子中都有谓语动词,只要在主语后面+do的适当形式+not 就行了。
3.句中有助动词或情态动词的
I will get up earlier tomorrow.----- I will not get up earlier tomorrow.
She can dance well.----- She can't dance well.
He has gone abroad.------ He has not gone abroad.
只需要在助动词或情态动词后面直接+not ,就可以变否定句了。

OK?希望能帮到你啊!

H. 英语肯定句变否定句例句

很简单啊。
举个最简单的例子
You can find the answer. (转换为否定句)
=You can't find the answer.
(转换为一般疑问句)
=Can you find the answer?
(否定疑问句)
=Can't you find the answer?

其实就是将句子中回be动词/动词转答化为否定形式。
或者添加否定词语。例如:You can never find the answer.

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