完成句子,使改写后的句子完整,并与原句意思相符,注意每空只填一个单词。1. The box is so heavy that I can't lift it. It is _______ _______ heavy box _______ I c-九年级英语

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3、连接副词:when,where,why,how,how many,how long,how far,however,whenever,wherever (有词义,作从句的状语)

用法:
从结构上说,英语连接词分两大类:并列连词和从属连词。

并列连词连接两个或两个以上地位平等的字、词组或分句。例如:
(1) Air and water are indispensable to me.   
(2) She likes going out with friends or playing outdoor games.   
(3) Most workers have a good income, so they look very happy.   

从属连词连接两个或两个以上的分句,形成复杂句中的从属分句。例如:   
(4) He said that he did not want to go .   
(5) Many things have happened since I last saw him.   
(6) You may come if you want to.   

从属连词用来连接各种从句。
until(till)直到,在用until表达时间状语的句子中,主句中的动词是要十分小心去选择的。
如动词是持续行动词,它要用肯定句,如:
I studied hard until 12 o'clock last night.
如果动词是瞬间截止性动词,则要用否定句,如:
He didn't go to bed until his mother came back.
由since,for,by,before, 来引导的时间状语从句。
since 引导的时间状语是动作的开始时间,如:
I have studied English since 1990.
而by引导的时间状语通常是动作的结束时间,如:
I had learned 25 English songs by the end of last term.

  • 从属连词语法分类:
    种类 语法作用 连词举例 
    从属连词 引导原因状语从句 Because, since
    引导条件状语从句 If, unless, as long as
    引导目的状语从句 So that
    引导结果状语从句 So…that
    引导方式状语从句 As, just as, as if
    引导让步状语从句 Though, although, even
    though, no matter what,
    however, no matter how,
    whoever, no matter who,
    wherever, no matter where
    引导比较状语从句 As…as, not so…as, than,
    less…than, the more…the
    more
    引导名词性从句 Who, whom, whose, which,
    that, when, where, why

  • 考点名称:感叹句

    • 感叹句:
      是表示喜怒哀乐等情感的句子。感叹句一般用how或what开头。感叹句要用降调,句末用感叹号
      How作状语,修饰修饰形容词、副词、或句子;
      what作定语,修饰名词(名词前可有形容词或冠词)。

    • 感叹句结构:
      一、由感叹词what引导的感叹句。
      1.① What+a/an+(形容词)+单数可数名词+主语+谓语!
      ② What+名词词组+主语+谓语!
      如: What a fine day it is!
      2. What+(形容词)+可数名词复数或不可数名词+主语+谓语!
      如: What kind women they are!
      What nice music it is!

      二、由How引导的感叹句。(how用来修饰形容词、副词或动词。)
      1.How+形容词(副词)+主语+谓语!
      如: How hard the workers are working!
      How clever the girl is!
      How quickly the boy is writing!
      2. How+主语+谓语!
      如:How time flies! 时光飞逝!

      三、注意:
      1. 当how修饰动词时,动词不跟着感叹词提到主语之前。
      如: How fast the runner runs!
      2. how与what引导的感叹句中的第一种格式(单数名词)一般情况下可以相互转换,转换后意义不变。
      如: What an interesting story it is! = How interesting the story is!
      What a beautiful building it is! = How beautiful the building is!
      3. 在口语中,感叹句的主语和谓语常常省略。
      如: What a nice present!(省略it is)
      How disappointed!(省略she is或其它可作本句主、谓的词语)

    • 感叹句 what 和 how 的区别:
      1.由"what"引导的感叹句:"what"意为"多么"用作定语,修饰名词(被强调部分),单数可数名词前要加不定冠词a/an,复数可数名词或不可数名词前不用冠词。
      这类句子的结构形式是:
      what+(a/an)+adj.+n.+主语+谓语+(it is).
      如: What a clever girl she is!   多么聪明的姑娘呀!
       
      2.由"how"引导的感叹句:"how"意为"多么",用作状语,修饰形容词或副词(被强调部分)。
      如果修饰形容词,则句中的谓语动词用系动词;
      如果how修饰副词,则句中的谓语动词用行为动词,这类句子的结构形式是:
      How+adj.(adv.)+主语+谓语+(it is).
      如: How cold it is today!今天多么冷呀!
        
      3.在表示同一意义时,英语感叹既可用"what"引导,也可用"how"引导。如:
      What a hot day it is!
      How hot the day is !

      4.感叹句在表示激动强烈的感情时,口语中常常采用省略句,其后面的主语和谓语往往略去不讲。
      如:What a fine day! 多么晴朗的天呀!

    • 一般陈述句转换成How或者What引导的感叹句的方法:
      方法:
      找出陈述句中的主语和谓语部分,再找出形容词,最后找陈述句中是否包含该形容词修饰的名词部分。
      例如:My classmates are very kind and helpful.
      分析:
      句子的主语是my classmates,谓语(即动词)是are,形容词有kind和helpful,但没有该形容词要修饰的名词。
      因此可以转换成How引导的感叹句,根据“How + adj. + 主语 + 谓语!”,
      该陈述句可以改成:
      How kind and helpful my classmates are!

      例如:China is a peaceful country.
      分析:
      句子中的主语是China,谓语是is,形容词是peaceful,而且有该形容词修饰的名词country,并且,country是可数名词,需要用冠词,原句有冠词a,
      因此可以转换成What引导的感叹句,根据“What + n. + 主语 + 谓语!”,
      该句子可以改成:
      What a peaceful country China is!

      感叹句用法:
      感叹句多以how或what引导,但在口语中,还有一些特殊的感叹句表达形式。
      1.以副词here, there, in开头的感叹句。
      Here comes the bus! 公共汽车来了!
      There they are! 他们在那儿呢!
      2.以疑问词who开头,表示惊奇。
      Who else will read such a book! 谁还会读这样的书!
      3.以情态动词may开头,表示愿望。
      May you both be happy! 祝二位幸福。
      May you succeed! 祝你成功!
      4.否定疑问句用作感叹句时,它的意义是肯定的;但肯定疑问句用作感叹句在美国英语中比较常见。
      Aren’t they sweet! 他们多可爱啊!
      I am hungry! 我饿极了!
      5.一些短语用作感叹句。
      Dear me! 哎呀! My goodness! 嗳呀!
      None of your nonsense! 不要胡说了!
      6.一些作表语的成分用作感叹句。
      Just my luck! 又倒霉了!
      Sorry, my mistake! 对不起,是我的错!
      7.以从句表示的感叹句。例如:
      As if were my fault!好像是我的错似的!
      To think a scandal of this sort should be going on under my roof!真想不到这种丑事竟然出在我们家里!

    • 感叹句大全:
      一、由 what 引导的感叹句,其句子结构可分为以下三种:
      “ What + a/an +形容词+可数名词单数+主语+谓语!”。如:
      What a nice present it is! 它是一件多么好的礼物啊!
      What an interesting book it is! 它是一本多么有趣的书啊!
      “ What +形容词+可数名词复数+主语+谓语!”。如:
      What beautiful flowers they are! 多么漂亮的花啊!
      What good children they are! 他们是多么好的孩子啊!
      “ What +形容词+不可数名词+主语+谓语!”。如:
      What fine weather it is today! 今天天气多好啊!
      What important news it is! 多重要的新闻啊!

      二、由 how 引导的感叹句,其句子结构也分为三种:
      “ How +形容词 / 副词+主语+谓语!”。如:
      How careful she is! 她多么细心啊!
      How fast he runs! 他跑得多快啊!
      “ How +形容词+ a/an +可数名词单数+主语+谓语!”。如:
      How beautiful a girl she is! 她是个多么漂亮的姑娘啊!
      “ How +主语+谓语!”。如:
      How time flies! 光阴似箭!
      由 what 引导的感叹句与由 how 引导的感叹句有时可以转换,但句中部分单词的顺序要有所变化。如:
      How beautiful a girl she is! = What a beautiful girl she is!
      What delicious cakes these are! = How delicious these cakes are!

      三、有时感叹句也可以由一个单词、词组、祈使句、陈述句等构成。
      如: Good idea! (好主意!)
      wonderful! (太精彩了!)
      Thank goodness! (谢天谢地!)

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