留学群专题频道肯定句栏目,提供与肯定句相关的所有资讯,希望我们所做的能让您感到满意! 对事物作出肯定判断的句子叫肯定句。对事物作出否定判断的句子叫否定句。肯定句和否定句句式转换的原则是不能改变原意。转换的要点是否定词的运用:保持原意则加两个否定词;变成相反的意思则加一个否定词。另外要注意反问句也是一重否定。

中考英语复习资料:肯定句变否定句的基本方法

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  中考英语复习资料:肯定句变否定句的基本方法

  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 例如:

  I like pop music. --- I don’t like pop music. He likes running. --- He doesn’t like running.

  She does her homework at home. --- She doesn’t do her homework at home

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与肯定句相关的中考英语

2013中考英语备考:同一个词语随肯定句和否定句而改变词义

中考英语

  “We have seen everyone besides Tom's father.”

  这句话是“除了汤姆的父亲外,我们还见过其他的人。”

  如果把这话误解为:“除了(没见过)汤姆的父亲,其他的人我们都见过了”,那么就大错特错了。反面这个意思应该这样表达:

  “We have seen everyone than Tom's father.”

  须知介词“besides的含义等于”in addition to“或”as well as“。连词”than“的意思有如介词”except“。例如:

  (1) John was left with no choice than to quit.

  (除了离开,约翰别无其他选择。)

  再比较下列两个句子就更清楚了:

  (2) Besides rice, the farmers have produced peanuts.

  (3) They have gathered all the crops except / than corns.

  上述(2) 的意思是(除了米之外,农夫还生产花生。)(3)的意思却是“除了玉蜀黍之外,他们把其他农作物收割了。”

  由上面几个例子看,besides和except / than是不同义的,但是besides如果出现在否定句或疑问句里,意思就和except相同了。例如:

  (4) I have no other option besides this one.

  (5) Some people care for nothing besides their money.

  (6) What can we do besides obeying ?

  这三个句子里的“besides”都可由“except”取代之。

  由此可见,同一个字词,在肯定句和否定句中的意思会有转变。

  与“besides , except”一样,“until”这个字也有类似的麻烦,常常令初学英语的人感到头疼。看看下面例子(7)的意思是(7a)还是(7b)“呢?

  (7)We slept until midnight.

  a.我们到半夜才睡觉。

  b.我们一直睡到半夜(才醒)。

  显然(7a)是错的;(7b)才正确。

  (7a)的英语句子应该是:

  (8)We didn't sleep until midnight.

  为什么呢?原因是“until”在肯定句中表示一个动作的终结,如例(7b),又如例(9):

  (9) Madam Lin slept until her son came home.

  “Until”在否定句中才表示一个动作的开始,如例(8),又如例(10):

  (10) Madam Lin did not sleep until her son came home.

  这些句子里的“until”都可以由“till”取代。要注意的是“until”可以在句前出现,“till”就不可以了,因此(11)是对的,(12)是错的:

  ...

与肯定句相关的中考英语

2013中考英语备考:肯定句如何变否定句(必背重点)

中考英语

  1. I think she is there.

  误:I think she isn’t there.

  正:I don’t think she is there.

  析:英语中think, believe, expect, suppose等表示信念和揣测的动词,后接that从句时,习惯上将从句中的否定形式转移到主句上,即否定主句谓语,不否定从句谓语。

  2. He can sing this song and that one.

  误:He cannot sing this song and that one.

  正;He cannot sing this song or that one.

  析:肯定句中的连词and在否定句中一般要改为or。

  3. Tom went to school too.

  误:Tom didn’t go to school too.

  正:Tom didn’t go to school either.

  析:too和also用于肯定句中时,否定句中用either替换。

  4. He has had supper already.

  误:He hasn’t had supper already.

  正:He hasn’t had supper yet.

  析:随着对谓语动词的否定,某些副词也要作相应的变动。

  5. He had a good rest just now.

  误:He hadn’t a good rest just now.

  正:He didn’t have a good rest just now.

  析:have在表示开会、吃饭、休息、进行体育锻炼等词组中是行为动词,否定句用助动词来完成。

  6. Let’s do it.

  误:Let’s don’t do it.

  正:Don’t let’s do it.或Let’s not do it.

  析:let后接的是不带to的不定式,变为否定式,直接在句首前加Don’t或在不定式前加not。

  7. He always gets there on time.

  误:He doesn’t always get there on time.

  正:He never gets there on time.

  析:He doesn’t always get there on time意为“他并非老是准时到那儿”,是部分否定,习惯上把句中的副词改为相应的表示否定的副词即可。如:

  It often rains here. It seldom rains here.

  8. Be here early tomorrow.

  误:Be not here early tomorrow.

  正:Don’t be here early tomorrow.

  析:祈使句的否定,一般在谓语动词前加do not的缩写don’t。

  ...

与肯定句相关的中考英语

2013中考英语备考:肯定句变否定句

中考英语

  1. I think she is there.

  误:I think she isn’t there.

  正:I don’t think she is there.

  析:英语中think, believe, expect, suppose等表示信念和揣测的动词,后接that从句时,习惯上将从句中的否定形式转移到主句上,即否定主句谓语,不否定从句谓语。

  2. He can sing this song and that one.

  误:He cannot sing this song and that one.

  正;He cannot sing this song or that one.

  析:肯定句中的连词and在否定句中一般要改为or。

  3. Tom went to school too.

  误:Tom didn’t go to school too.

  正:Tom didn’t go to school either.

  析:too和also用于肯定句中时,否定句中用either替换。

  4. He has had supper already.

  误:He hasn’t had supper already.

  正:He hasn’t had supper yet.

  析:随着对谓语动词的否定,某些副词也要作相应的变动。

  5. He had a good rest just now.

  误:He hadn’t a good rest just now.

  正:He didn’t have a good rest just now.

  析:have在表示开会、吃饭、休息、进行体育锻炼等词组中是行为动词,否定句用助动词来完成。

  6. Let’s do it.

  误:Let’s don’t do it.

  正:Don’t let’s do it.或Let’s not do it.

  析:let后接的是不带to的不定式,变为否定式,直接在句首前加Don’t或在不定式前加not。

  7. He always gets there on time.

  误:He doesn’t always get there on time.

  正:He never gets there on time.

  析:He doesn’t always get there on time意为“他并非老是准时到那儿”,是部分否定,习惯上把句中的副词改为相应的表示否定的副词即可。如:

  It often rains here. It seldom rains here.

  8. Be here early tomorrow.

  误:Be not here early tomorrow.

  正:Don’t be here early tomorrow.

  析:祈使句的否定,一般在谓语动词前加do not的缩写don’t。

  ...

与肯定句相关的中考英语

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