both用法有哪些.doc

both用法有哪些 both 用法有哪些,你们知道吗?快来一起学习吧。下面就和大家分享，来欣赏一下吧。both 用法有哪些的用法有两种,它可以和名词、代词连用,也可以和动词连用,在句中作主语、宾语及同位语,也可作定语.现将其用法归结如下：1)both与名词、代词连用(1)both+(of) +the/ 物主代词/指示代词+名词,如：Both of the cats are asleep.两只猫都睡着了.I bought both of these bottles in China two years ago.两年前我在中国买了这一对瓶子.Both of his daughters are doctors.他的两个女儿都是医生.(2)both直接修饰名词时,不加of.如：Both children won prizes.两个孩子都得了奖.【注意】不能说both of children,但可以说 both of the children.Ive got oil on both hands.我两手都是油.【注意】不能说both of hands,可说both of my hands.(3)在人称代词前一定要用both of,不能说 both we或 both us,但可以说us both,them both等.如：Both of us like skating.我们俩都喜欢滑冰.I want both of them.两个我都要.2)both与动词连用当both在句中作主语的同位语时,也可与动词连用,both在句中的位置有以下三种情况：(1)放在是动词be之后.如：The children are both lovely.这两个孩子都很可爱.They are both from Australia.他们两个都是澳大利亚人.【注意】在感叹句或简略答语中,both应置于be之前.如：How beautiful they both are!他们俩多漂亮啊!-Are you both from Japan?-Yes,we both are.“你们俩都是日本人吗?”“是的,我们是.”(2)放在行为动词前.如：We both like watching TV.我们俩都喜欢看电视.The men both looked French.那两个人看起来都像是法国人.(3)当谓语动词是由几部分组成时,both要放在第一个助动词后面.如：We have both studied acting.我们俩都学过演戏.The rooms have both been cleaned.这两间屋子都已打扫过了.3)both作代词时,可单独使用,其后不接名词.如：The brothers are good at playing basketball.Both will take part in the game.这弟兄俩人篮球打得好,他们俩都将参加比赛.-Which one do you want?-Ill take both please.“你要哪一个?”“两个我都要.”【注意】both与not连用,是部分否定.如：Both the doors are not open.两扇门并不都开着.Both的用法及注意事项一、形容词both作“两”、“双”1.Both (the)instruments are valuable to this process.(定语)这两个仪器对这个过程都是很有价值的.2.Both (the)student have made a good few experiments on electricity.(定语)这两个学生都做了不少电学实验.二、代词both作“两人”、“两者”1.Bothe (of them)have been to Beijing.(主语)他们两人都去过北京.2.There are two English books on the table.He wants to read them both in a short time.(同位语)桌上有两本英语书,他想在短时期内阅读这两本书.3.Steel and petroleum both play an important part in the development of industry and agriculture.(同位语)钢和石油这两样东西在工农业发展中起着重要作用.4.He and I are both from Tianjin.(both作同位语.注意both在本句中的词序和上两句不同.)他和我都是天津人.三、“bothand”起连接词作用,作“两者都”、“又又”、“不但而且”注意：“bothand”能连接各种并列成分,甚至两个句子.1.Both copper and silver are good conductors of electricity.(连接两个主语)铜和银都是良好的电导体.2.The molecules of common salt all contain atoms of both the gas and the metal which compose the salt.(连接of的两个宾语)食盐分子都具有构成食盐的气体和金属这两种物质的原子.3.Alloys are both useful and important.(连接两个表语)合金既有用又重要.4.To do work,you must both exert force and move something.(连接两个动词短语)为了作功,你必须既施加力又推动某个东西.5.Copper is an important conductor,both because of its high conductivity and because of its abundance and low cost.(连接两个状语)铜是一种重要的导体,因为它的导电率高,而且资源丰富,价格又低.6.It is necessary to build a lot of petrochemical works,both because China is rich in petroleum and because there is a great demand for petrochemicals.(连接两个状语从句)由于中国石油丰富,而对石油化学产品需要量又大,所以有必要建立许多石油化工厂.四、注意“both+否定式谓语+”构成部分否定：1.Both (the)instruments are not precision ones.并非这两个仪器都是精密仪器.2.Both of the books are not helpful.这两本书并非都是有益的.如果要将上述两句改成全部否定,则就应写成：1.Neither instrument is precision one.(=Either instrument is not precision one.=Either of the instruments is not precision one.)这两个仪器都不是精密仪器.2.Neither of the books is helpful.(=Either of the books is not helpful.=Eitherneither、either、both的用法区别一、neither、either、both的用法1、Neither的用法1)代词。意为“两者中任何一方都不”both的反义词，作主语时谓语动词用单数。Neither of the books is mine.这两本书没有一本是我的。2)形容词。修饰名词时，名词使用单数。Neither boy can swim.两个男孩都不会游泳。3)连词。Neither与nor连用：neithernor 意为“既不也不”连接两个并列的句子成分(连接主语时，谓语动词就近选择)Neither he nor I am a teacher.他和我都不是老师。2、Either的用法1)代词。意为“两者中的任何一个”谓语动词用单数。Either of us is a student.2)形容词。修饰名词时，名次使用单数。Either boy can swim.两个男孩中有一个会游泳。3)连词。与or连用：eitheror.意为“不是就是，要么要么，或者或者”连接两个并列的句子成分(连接主语时，谓语动词就近选择)用在否定句中和意思与neither nor 一样。Either you or I am wrong.不是你错了就是我错了。He doesnt know Germen or French.=He knows neither German nor French.3、Both的用法1)代词。意为“两者都”和谓语动词连用时，放在行为动词前，语法词之后。与of 连用作主语时，谓语动词用复数。We must both study English well.Both of us are from America.=We are both Americans.2)形容词。修饰名词时，名次使用单数。There are many trees on the both sides of the road.3)连词。both and连用。意为“两者都”连接主语时谓语动词用复数。Both my brother and I are football players.这些词都可用作代词或形容词。其位置都在be 动词之后，行为动词之前或第一助动词之后。二、neither、either、both的区别neither、either、both的区别有以下几种情况:1、 both (两者都)，either(两者中任何一个)， neither (两者都不)。以上词使用范围为两个人或物。Neither of the two boys is clever. 两个男孩都不聪明。2、both，eitherboth与复数连用，either与单数连用。Both the boys are clever. 两个男孩都很聪明。Either of the two boys is clever. 两个男孩都很聪明。There are flowers on both sides of the street.(两岸)There are flowers on either side of the street.(岸的两边)路边长满了野花。3、either指两者中的任何一个，neither指两者都不。作代词时，either, neither一般接单数动词。作限定词时，一般加单数名词。例：Either of them will be appointed Minister of Finance.Neither of the two speaks English well.You must not favor either side in the dispute.In neither case can I agree with you.4、eitheror表示两个或多个选择中的一项。neithernor表示“既不，也不”。eitheror, neithernor连接的两个名词或代词作主语时，谓语动词与最靠近它的主语一致。例：He neither knows nor cares what has happened.Neither he nor I have met such a beautiful girl before.He must be either mad or drunk.Either she or you are to be blamed for what has happened.5、either表示也不，用于否定句。(too表示“也”，用于肯定句。)例：I dont like the yellow shirt, I dont like the green one, either.6、neither可以引导倒装句，表示和前面的情况一致，而且前面为否定句。例：The organization had broken no rules, but_had it acted responsibly.A) neitherB) soC) eitherD) bothneither引导倒装句，表示和前面的否定情况一致。so引导倒装句，表示和前面的肯定情况一致。either表示两者中的一个，both表示两者都。答案为A.Neither nor的用法及就近原则一、Neither nor的用法具体Neither nor的用法有以下几种:1、neithernor表示"既不也不"。其含义是否定的，可连接任意两个并列的成份。例如：She likes neither butter nor cheese.她既不喜欢黄油也不喜欢乳酪。此句中neithernor连接两个宾语。2、当neithernor连接两个主语时，也应遵循"Neither nor就近原则"。例如：Neither dad nor mum is at home today.今天父母都不在家。3、若将neithernor句型变为肯定句，只需把neithernor改为bothand即可，同时谓语动词必须用复数形式。例如：Both dad and mum are at home today. 今天父母都在家。4、还可以单独使用neither作主语，表示"两者中没有一个"。例如：Neither of them likes football. 他们俩都不喜欢足球。neither或nor还有另外一种用法，就是当表达一个人没有做某事，另一个人也没做同一类事时，可用neither或nor进行简略回答，其结构为：Neither / Nor+助动词 / 情态动词 / be动词+主语。例如：He doesnt go to school by bike. Neither / Nor do I. 他不是骑自行车上学，我也不是。They didnt go to the park yesterday. Neither / Nor did we. 昨天他们没去公园，我们也没去。二、Neither nor就近原则Neither nor就近原则的知识点称为主谓一致主谓一致分为两大类：就近一致原则和意义一致原则.就近一致原则指的是,以靠近谓语动词的,作主语的名词作为人称和数的参考标准.不仅仅是Nether nor遵循就近原则，其他连词比如：not onlybut also/ or/ eitheror/ notbut都遵循就近原则。例如:Neither he nor they are wholly right.他和他们,谁都不是完全对的Not only the students but also the teacher is enjoying the film.不仅学生而且老师都在津津乐道地看着电影.Neither the students nor the teacher knows anything about it.同学们和老师对此都一无所知.Either he or I am right.both 用法有哪些