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each both either all 的区别

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each both either all 它们的区别是什么呢?如这道题 On -------- sides of the street are a lot of. 希望老师可以再写下它们后面加不可数还是可数名词 谢谢老师~
each both either all 的区别
解题思路: 如下
解题过程:
each both either all 它们的区别是什么呢?
1.all, both同属前位限定词,但all可以与三类名词搭配,both只能与复数可数名词搭配,从意义上讲both指两者,all指三者或三者以上。如:
  How much time will you take for all this work?
  All children can be naughty sometimes.
  I got both these vases in Spain.
  Both cats are asleep.
  all和both用于否定时表示部分否定。
例如:
  I cannot promote both of you.
  我不能使你们两个都提升。
  All flowers in his garden are not red.
  他花园里的花并非都是红色的。
  Both (of them) are not my brothers.
  他们两个之中,只有一个是我的兄弟。
2.each 与单数名词连用,且意义相近,表示‘每个’,表示个别概念。例如:
  Each day is better than the one before.
  一天比一天好。
3. either只修饰单数可数名词,动词也用单数。例如: 如这道题 On both sides of the street are a lot of. 因为街道有两边,而且sides是复数形式,所以要用both 。
  Either day is OK.
  两天中哪一天都行。
  There were trees and flowers on either side of the street.
  街两旁都有树和花。
  Either kind of school is quite suitable.
  两种学校都挺适合。
  either也可指‘两个都’与both的意义相近,但both后接复数名词,either则只接单数名词,而且both还可与其他限定词搭配。例如:
  Both (of) my children have been to America.
最终答案:略