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语法学习--有关词语答疑

时间:2009-07-14  来源:本站收集整理  作者:雪

   1.某些实意动词用作连系动词用时,常用主动代替被动.这类动词有:
     sound , look, feel, taste
   2.动词sell, break, write, wash, read等,它们常是不及物动词,而且后有副词修饰(well,
     easily, smooth...).
   3.want, need, require表示"需要"时,以及形容词worth后的动名词要用主动表被动. 
     动词不定式做后置定语,且与被修饰名词构成动宾关系时,不定式用主动表被动.这
     种情况下,句子的主语与不定式有主谓关系.
     例:I have a meeting to attend.
   4.在"名词(代词) + be + adj. + to do "结构中,句子的主语是不定式的逻辑宾语,
     此时不定式用主动表被动.用于该结构的形容词有:difficult, easy, important, heavy,
     light, nice, pleasant, fit....
   5.在There be + 名词 + to do结构中,不定式多用主动形式.  
   6.不定式to let, to blame, to seek作表语时,常用主动表被动.

17.关于后置定语的问题【适合于高一】【适合于高二, 高三】
  1.some, any, anything, nobody, somewhere, nothing等词的修饰语要后置.
  2.else修饰somebody, what, who, something 时,要后置.
  3.不定式短语,动名词短语,分词短语,介词短语做定语要后置.
  4. proper(本身),present(在场的,出席的), involved(有关的),
  concerned相关的),(left 剩下的), objecting (反对的),
  mentioned (提及的), selected (当选的)等词做定语要后置.
  5.a-开头的形容词做定语要后置.如:alike, alive, alone, asleep....

18.as 有哪些常见用法?【适合于高一】【适合于高二, 高三】
   做连词可用于: 
  1.引导时间状语从句 "在...的时候,当..."
  2.引导原因状语从句 "因为,由于"
  3.引导方式状语从句 "依照,按照,如,像"
  4.引导让步状语从句 "尽管,虽说" 此种用法时从句要倒装(表语倒装,
  谓语倒装,状语倒装)
  5.as后跟名词 (相当于一个时间状语从句)
  As a young man, he worked hard. = When he was a young man, he worked hard.
  6.和某些动词连用,构成固定搭配.
  treat...as regard...as look on(upon)...as  
  take...as take up...as think of...as
  introduce...as take a job as... serve...as act as
  7.用于某些成语
  as black as coal as dry as dust as blind as a bat
  as easy as ABC as brave as a lion as fair as a rose
  as fat as a pig as busy as a bee as free as the air
  as cold as ice as gentle as a lamb as deep as a well
  as greedy as wolf as happy as a king as heavy as lead
  as sound as a bell as poor as a church mouse as proud as a peacock
  as quiet as a lamb as red as blood as white as snow
  as a matter of fact  事实上      as a result 结果
  as a result of  由于...       as a rule 一般(说来);通常
  as ...as possible = as...as one can  尽力,尽可能
    as follows   如下         as if (as though) 就像...似的
    as to + 名词  至于,说到    as to + that从句  关于(常不译出)
    as usual   像平常一样     so as to  以便
    so ...as to  如此...以至... so (as) long as 只要
    such ...as to 如此...以至... as...as...  和...一样...
    as soon as 一...就...    as soon as possible 尽快地
    as well    也, 还      as well as   也, 还
  such as    如像

19. word 一词有什么值得注意的?【适合于高二】
  1. 注意该词的单复数.如:
  have a word with sb.和...说句话 have words with sb. 和...吵架
  in a word    总之      in other words 换句话说
   keep one's word 遵守诺言    beyond words  无法用言语来形容
   2. word 用单数且不用冠词意为:消息,谣言
     Word came of his success abroad. Word came from Beijing. 
  word用单数并用定冠词或其它限定词意为:命令,嘱咐
     The troops got the word to begin moving out.
  His word is that he has gone back to Tianjin.

20.most 一词前的冠词如何使用?【适合于高一】【适合于高二, 高三】
  most 前加the 是最高级;most前加 a时表示"非常"= very
  He is the most careful in our class. He is a most careful student in our class.
  most 做代词用时要注意:
  1.the most 后不能加介词of引导的短语.
  The most you can hope for is 50$.
  2.most of 前不加冠词表示"大部分,大多数"一般做主语,宾语.
  Most of the students are from the countryside.
  3.在固定搭配中at (the) most 有无冠词都可以.

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