用方框内所给词或短语的适当形式填空1. Last Monday he was walking along the street. Just then a traffic accident ________.2. Don't ________ the car before it -八年级英语

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When I was 8 years old(当我八岁时…)、at+一个时间点
Did you have a party the other day?前几天,你们开了晚会了吗?
Lei Feng was a good soldier.雷锋是个好战士。
注:在谈到已死去的人的情况时,多用过去时。

(4)表示过去连续发生的动作时,要用过去时。这种情况下,往往没有表示过去的时间状语,而通过上下文来表示。
The boy opened his eyes for a moment,looked at the captain,and then died.
那男孩把眼睛张开了一会儿,看看船长,然后就去世了。

(5)表示过去一段时间内经常或反复的动作。常与always,never等连用。
Mrs. Peter always carried an umbrella.彼得太太过去老是带着一把伞。
(只是说明她过去的动作,不表明她现在是否常带着伞。)
比较:
Mrs. Peter always carries an umbrella.彼得太太老是带着伞。
(说明这是她的习惯,表明她现在仍然还习惯总带着一把伞)
Mrs. Peter is always carrying an umbrella.彼得太太 总是带着一把伞。
(表示说话者对这一动作或行为厌烦)
I never drank wine.我以前从不喝酒。
(不涉及到现在,不说明现在是否喝酒)

(6)如果强调已经终止的习惯时要用 used to do(过去常常做,而现在不那样做了)
He used to drink alcohol.他过去喝酒。
(意味着他现在不喝酒了。喝酒这个动作终止了)
I used to take a walk in the morning.我过去是在早晨散步。
(意味着现在不在早晨散步了)
比较:
I took a walk in the morning.我曾经在早晨散过步。
(只是说明过去这一动作)

(7)有些句子,虽然没有表示过去确定时间的状语,但实际上是指过去发生的动作或存在的状态的话,也要用过去时。
I didn''t know you were in Paris.我不知道你在巴黎。
(因为在说话时,我已经知道你在巴黎了。这句话指的是说话之前,所以只能用过去时表示。实际上,这句话暗指:But now I know you are here.)
I thought you were ill.我以为你病了呢。
(这句话应是在说话之前,我以为你病了。但是现在我知道你没病)

  • 一般过去时三变技巧:
    一变:肯定句变为否定句
    技巧1.当句中含有情态动词或助动词could,would,should等时,可直接在其后面加not构成否定句。例如:
    I could get you a concert ticket. → I could not / couldn't get you a concert ticket.
    技巧2.当句中含有系动词was,were 时,可直接在其后加not构成否定句。例如:
    I was on the Internet when you called me. → I was not / wasn't on the Internet when you called me.
    技巧3.当句中谓语是除情态动词、助动词、系动词was, were以外的动词时,在该动词之前加did not / didn't,动词还原,构成否定句。例如:
    The famous singer sang some Chinese songs. → The famous singer did not / didn't sing any Chinese songs.

    二变:陈述句变为一般疑问句
    技巧1.移动词语的位置。将was,were, could,would,should等移到句首。例如:
    He could pack his things himself. → Could he pack his things himself?
    技巧2.添加助动词did。谓语是除情态动词、助动词、系动词was, were以外的动词时,在主语之前加did,动词还原。例如:
    Mr Li looked very old. → Did Mr Li look very old?

    三变:陈述句变为特殊疑问句
    技巧1.确定疑问词:人who / whom,物what,地点where,时间when / what time,原因why,频率how often,长度how long,距离how far等等。例如:
    They gave the concert last night. → When did they give the concert?
    技巧2.辨认结构形式:疑问词+情态动词/助动词/ was / were / did +主语+...? 例如:
    The accident happened near the station. → Where did the accident happen?

  • 考点名称:过去进行时

    • 过去进行时:
      表示在过去某一时刻或某一段时间内进行或发生的动作。其形式为was/were+V-ing。
      常与表示过去的时间状语连用,如:
      last night,last Saturday等;
      或者与when,while,as引导的过去时间状语连用。

    • 过去进行时的结构:
      1. 过去进行时由“主语+was/were + 现在分词”构成
      eg: We were having supper when the phone rang. 我们正在吃晚饭时电话响了。
      2. 过去进行时的否定式由“主语+was/were not +现在分词”构成
      eg: This time yesterday Jack was not watching TV. He was repairing his bike. 昨天这个时候,杰克不是在看电视,而是在修理自行车。
      3. 过去进行时的疑问式由“was/were +主语+ 现在分词”组成
      eg: Were you playing basketball at four yesterday afternoon? 你们在干什么昨天下午的时间啊  回答我啊?

    • 过去进行时和一般过去时的区别:
      一、二者概念理解
      一般过去时叙述旧事,过去进行时描述背景。
      A、一般过去时
      1.过去状态、动作或事件
      He went to Beijing the other day.(带具体时间)
      2.过去的习惯
      a would ,used to与过去时
      would 表间断性不规则的习惯,常带频率时间
      used to 表一贯性有规律的习惯
      They used to meet and would sometimes exchange one or two words.
      He smoked a lot two years ago. (过去行为)
      bWould 用于文中不用于句首,只表过去习惯。
      Used to 表今昔对比的含义,叙述习惯动作可与would 换用。
      When he was a boy , he would often go there . (叙述过去)
      She isn't what she used to be. (今昔对比)
      c 表示状态时一般只用used to
      Tom used to be fat /There used to stand a tree there. (状态)
      dwas (were) used to +ving表示“合适于,适应于…..”
      He used to work at night . (“习惯”表经常)
      He was used to working at night. (习惯表适应)
      3.过去的经历,平行动作,依此事件用一般过去时。
      He sat there and listened to the radio.(依此发生)
      4.客气委婉的语气,用于情态动词,助动词和want , wonder , hope 等
      How did you like the film? / Could you help me?

      B. 过去进行时
      1.在过去某阶段或某一时刻正在发生
      What were you doing at 8:30 last night? (过去某时刻正在发生)
      2.性动词用过去进行时表示按计划、打算
      During that time he was going with us.(表示打算)
      3.lways ,often ,usually 等连用表喜爱,讨厌等感情色彩。
      He was always Changing his mind.

      二、区别
      A. 进行时表某一行为的“片断”一般时表示行为的“整体”和存在的状态。
      I was reading the book at that time. (未读完,“读”的片段)
      I read the book yesterday. (已读完,表整个“读”)
      B、一般持续时间状语多与进行时连用
      It was raining all night.(优先用was raining ,rained 为持续动词,故也可使用)
      He was writing a letter the whole of afternoon. (短暂动词与持续时间连用,表反复,连续发生,不可用一般过去时)
      C、while 时间状语从句中用短暂动词时只能用进行时。
      例:He broke a chair while he was jumping up and down.
      D、While 所在主从句动作大致持续相等时主从句一般都用进行时,但若是持续动词可都用一般过去时,两个动作一长一短时短的用一般时,长的用进行时。
      I was cooking the dinner while he was playing the piano.(平行)
      I cooked the dinner while he played the piano.
      I saw him while I was walking to the station.

    • 过去进行时的基本用法:
      过去进行时的基本用法主要表示过去某一时间正在进行的动作。如:
      He fell asleep when he was reading. 他看书时睡着了。   
      2. 用过去进行时表示现在主要是为了使语气委婉、客气。如:
      I was wondering if you could give me a lift. 我不知你能否让我搭一下车。   
      【注】一般过去时也有类似用法,但比较而言,用过去进行时显得更客气,更不肯定。   
      3. 过去进行时表示感情色彩与现在进行时相似,过去进行时也可表示满意、称赞、惊讶、 
      厌恶等感情色彩,也通常与 always, forever, continually等副词连用。如:
      They were always quarrelling. 他们老是吵架。   
      4. 动词be的过去进行时动词be的进行时也可表示过去一时的表现或暂时的状态。   
      比较:He was friendly. 他很友好。(指过去长期如此)   
         He was being friendly. 他当时显得很友好。(指当时一时的表现)

      特殊用法

      1、当句子意思很清楚时,我们也可以把两个动词都换成一般过去时
      We listened carefully when the teacher read the text. 老师读课文时,我们都仔细地听着。
      2、表示按计划、安排过去将要发生的事。
      用于come,go,leave,start,arrive等表示位置转移的动词时,也可以用过去进行时表示过去将要发生的动作。
      如:He told me that he was going soon. 他告诉我他很快就要走了。
      3、表示故事发生的背景。
      It was snowing as the medical team made its way to the front.
      那支医疗小组往前线行进时,天正下着雪。
      4、表示一个新的动作刚刚开始。
      过去进行时可用来引出一个新的动作,这种用法颇有点儿像镜头转换。

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