also ,too,either 的区别及用法

also ,too,either 的区别及用法
also ,too,either 的区别及用法

also ,too,either 的区别及用法
also,too
这两个词都是副词,又都表示“也是”的意思,但在修辞意味和使用场合上有所不同.它们的区别如下：
（一）一般说来,also用于比较正式（formal）的场合,语气比too庄重； too是惯熟（familiar）的用语,使用范围较广.
（二）also在句中的位置要紧靠动词； too在句中的位置比较灵活,有时插入句中,前后用逗号分开,有时放在句末.
（三）too只能用在肯定句中,不可用于否定句内.在否定句中,只能用either；also则可以用在否定句中.
下面请看例句：
The Hong Kong Chief Executive also heads the university as Chancellor．
香港行政长官也以（大学）校监身份领导大学.
Reading books is learning,but application is also learning and the more important form of learning．
读书是学习,买践也是学习,而且是更重要的学习.
We have not heard such a thing．Also,we have never seen such a scene．
我们没有听见过这种事情,我们也从来没有见过这种场面.
请注意,一般说来,also在句中的位置应紧靠动词,但有时为了强调其意,也可以将它放在句首或句末.
Here,too,the colon must be followed by a dash．
这里也一样,应当在冒号之后加破折号.
Mary,too,can play the piano．
玛丽也会弹钢琴.
Could you speak Japanese?—Yes,and Spanish too．
您会说日语吗?——会的,还会说西班牙语哩.
Also虽然和too同义,但前者大都用于书面语,后者大都用于口语.例：
The lady washed the children and also gave them dinner．（书面语）
The lady washed the children and gave them dinner too．（口语）
either用作代词时,意为“二者之一”,可单独使用,也可以和表示范围的of短语连用,of后的名词一般为复数,并且是特指.例如：
—Do you want tea or coffee?你要茶还是咖啡?
—Either is OK.哪一种都行.
Is either of your parents coming to see you next week?下周你父亲或母亲要来看你吗?
注：either作主语时,谓语动词应用单数形式,of后面的名词在数上应是“两个”,并带有限定词,如往往说either of the／your boxes,而不说either of boxes.
二、either用作形容词时,可修饰单数可数名词,意为“两个中任一个”,其谓语动词也应用单数形式.例如：
Come on Saturday or Sunday.Either day is OK.星期六或星期天来吧,这两天哪天都行.
There are lots of shops on either side of the street.（＝There are lots of shops on both sides of the street.）街道两边有许多商店.
三、either用作副词时,意为“也（不）”,用于否定句的句末.例如：
If you don't go there,I won't,either.如果你不去那里,我也不去.

都是也，但also再主谓之间，而too用在肯定句中either用再否定疑问句中

三者都是“也”的意思，also ,too 用于肯定句，其中also用于句中，too用于句尾，且前面有逗号；either用于否定句,且前面有逗号。例如：
His father is a doctor; his mother is also a doctor.
His father is a doctor; his mother is a doctor, too.
His f...

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三者都是“也”的意思，also ,too 用于肯定句，其中also用于句中，too用于句尾，且前面有逗号；either用于否定句,且前面有逗号。例如：
His father is a doctor; his mother is also a doctor.
His father is a doctor; his mother is a doctor, too.
His father isn't a doctor; his mother isn't a doctor, either.

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