单句改错 (每句均有一处错误) 。1. Ihave bought the bike for half a year.2. This long river runs across my village.3. We have written these reports since nine-八年级英语

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The train goes fast. 火车跑得快。
We can go to this school freely. 我们可以免费到这家学校学习。
They left a life hardly then. 当时他们的生活很艰难。
He has a new hat on today. 他今天戴了一顶新帽子。
I have seen this film twice with my friends. 这部电影我和朋友看过两次。

2、副词修饰形容词,副词时,副词在前面,而被修饰的词在后面。
It's rather easy, I can do it. 这很容易,我能做到。
He did it quite well. 他做得相当好。
It's rather difficult to tell who is right.很难说谁是对的。
It's so important that I must tell my friends. 这件事太重要了,我得告诉我的朋友。
It's much better. 好多了。

3、频度副词可放在实义动词的前面,情态动词和助动词的后面。
I often help him these days. 这些日子我经常帮助他。
I always remember the day when I first came to this school.
我常常记得我第一次来学校的那一天。
You mustn't always help me. 你不能老是帮助我。
He seldom comes to see us. 他很少来看我们。
We usually go shopping once a week. 我们通常一周买一次东西。
The new students don't always go to dance. 新学生并不时常去跳舞。

4、疑问副词,连接副词,关系副词以及修饰整个句子的副词,通常放在句子或从句的前面。
When do you study everyday? 你每天什么时间学习?
Can you tell me how you did it? 你能告诉我你如何做的吗?
First, let me ask you some questions. 先让我来问几个问题。
How much does this bike cost? 这辆车子多少钱?
Either you go or he comes. 不是你去就是他来。
The students were reading when the teacher came into the classroom. 当老师进教室时,学生们正在读书。

5、时间副词和地点副词在一个句中, 地点副词在前面时间副词在后面。
We went shopping in the supermarket at 9 o'clock yesterday.
昨天九点钟我们到超市买东西了.
What were you doing in the classroom yesterday afternoon?
昨天下午你在教室里干什么?
The accident took place in the Eleven Avenue one hour ago.
一小时前十一号大街发生了一场事故。

6、否定副词在句首,句子要倒装,如:
Never have I felt so excited!

  • 兼有两种形式的副词:
    1) close与closely
    close意思是"近"; closely 意思是"仔细地"
    He is sitting close to me.
    Watch him closely.

    2) late 与lately
    late意思是"晚"; lately 意思是"最近"
    You have come too late.
    What have you been doing lately?

    3) deep与deeply
    deep意思是"深",表示空间深度;deeply时常表示感情上的深度,"深深地"
    He pushed the stick deep into the mud.
    Even father was deeply moved by the film.

    4) high与highly
    high表示空间高度;highly表示程度,相当于much
    The plane was flying high.
    I think highly of your opinion.

    5) wide与widely
    wide表示空间宽度;widely意思是"广泛地","在许多地方"
    He opened the door wide.
    English is widely used in the world.

    6) free与freely
    free的意思是"免费";freely 的意思是"无限制地"
    You can eat free in my restaurant whenever you like.
    You may speak freely; say what you like.
    副词有加a或ly的 区别在于通常加a 的副词描述一种状态,而加ly 的副词则倾向于感觉。

  • 考点名称:实义动词的现在分词

    • 现在分词具有双重性,一面具有动词的特征,可以有自己的宾语和状语;
      另一面具有形容词和副词的特征,可以充当表语,定语,状语,补足语,可以表示主动或正在进行的动作,是非谓语动词的一种。

    • 实意动词现在分词变化规则:
      ①一般情况下在动词后加ing,如:
      study—studying,work—working
      ②以不发音的字母e结尾的动词,先去掉e再加ing,如:
      write—writing,move—moving
      ③以一个元音字母和一个辅音字母结尾的重读音节结尾的动词,要双写末尾一个辅音字母, 再加ing,如:
      get—getting,begin—beginning 
      ④以ie结尾的动词,一般将ie改为y,再加ing,如:
      lie—lying,die—dying,tie—tying
      注:
      a 以字母l结尾动词,若末尾一个音节为重读音节,则必须双写l再加ing,如control / controlling,
      但若末尾一个音节为非重读音节,则可双写l(英国英语)或不双写l(美国英语),如travel / travel(l)ing。 
      b 名词变复数、形容词和副词变比较级和最高级、动词变过去式和过去分词等都有“改y规则”,“把y变成i再……”但动词的现在分词没有“改y规则”。 


    • 在变为现在分词时须双写最后一个字母的常用动词有:
      begin 开始    
      cut 切割   
      dig 挖   
      drop 掉    
      forget 忘记
      get 使、得到   
      hit 击中   
      let 让   
      prefer 更喜欢 
      put 放
      run 跑      
      sit 坐    
      shop 买东西  
      stop 停止  
      swim 游泳
      refer参考

      以辅音字母+y结尾的动词,去掉y加-ies变为第三人称单数形式,加-ied变为过去式和
      过去分词的常用动词有:
      carry 携带   
      copy 抄     
      cry 哭   
      fry 油煎  
      hurry 快走
      spy 侦探    
      study 学习   
      try 试   
      tidy 整理  
      worry 担忧

    考点名称:现在完成时

    • 现在完成时:
      过去发生并且已经完成的动作对现在造成影响或后果,过去某一时间开始并一直持续到现在的动作或状态。
      基本结构:主语+have/has+动词的过去分词
      句式:
      1. 否定句式:现在完成时的否定句式是“haven't (hasn't)+过去分词...”。
      如:I have not seen the movie yet. 我还没看这部电影。
      2. 一般疑问句:Have(Has)+主语+过去分词...? 如:
      —Have you finished the work?你已经做完这项工作了吗?
      —Yes, I have. 是的,我已经做完了。(No, I haven't. 不,我还没有做完。)
      3. 特殊疑问句:特殊疑问词+have(has)+主语+过去分词...?如:
      How many times have you been to the Great Wall?你去过长城几次?
      提示:肯定句中有some, already时,改为否定句或疑问句时通常要分别改为any, yet。如:
      I have already finished my homework. 我已经完成了我的作业。
      → I haven't finished my homework yet. (否定句)
      → Have you finished your homework yet? (一般疑问句)
      现在完成时常见两种句型:
      ①for短语
      ②It is+一段时间+ since从句

    • 现在完成时特点:
      1. 非持续性动词的完成时的肯定式不能与时间段连用,若要用时间段状语,则应换成相应的持续性动词或状态动词。
      例如:
      He has left.
      He has been away for an hour.
      2. have/has been to 表示曾经去过某地,但现在不在那;have/has gone to表示现在已去某地,现在不在这。
      例如:
      He has been to Canada, but now he is working in our company.
      Mr. Li in not at home. He has gone to Shanghai.
      3. 完成时的肯定式常用already,而否定式和疑问式常用yet,但若already用于疑问句时,表示一种出乎意外的惊讶。
      例如:Have you read it already?

    • 现在完成时和一般过去时区别:
      现在完成时和一般过去时都表示在过去完成的动作。
      但现在完成时强调的是这一动作与现在的关系。如对现在产生的结果或影响等,
      而一般过去时只表示动作在过去某一时刻发生,不表示和现在的关系。
      比较:
      I have lost my new book.  我把新书丢了。(现在还未找到)
      I lost my new book yesterday. 我昨天把新书丢了。(昨天丢的,现在找到与否没说明)

      have been(to)与have gone( to)的区别:
      have been(to)表示“去过某地(现在已经回来了)”,可用于各人称;
      have gone(to)表示“去某地了(说话时某人不在当地)”,常用于第三人称,
      前者可与once ,never,several times等连用,后者则不能。
      如:
      They have been to Beijing twice.他们去过北京两次。
      He has gone to Beijing .  他去北京了。

      现在完成时注意事项:
      1.如单纯表示一段时间,或强调一段时间,虽有since一词,也不必用完成时。如:
      It is two years since his father died. =His father has been dead for two years.他父亲去世已有三年了。

      2.终止性动词现在完成时的否定式,已变成一种可以延续的状态,因此可以和表示一段时间的状语连用。如:
      I haven't left here since 1997.自从1997年以来,我一直没有离开过这儿。
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