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Unit 16 Fire


e pan of burning oil.你可能被烧伤,也可能扔掉烧着油的锅。

分析:

  1)句中的get burnt是被动语态的另一种表达方式,即:get+pp.过去分词。被动语态的通常表达方式为:be+pp.如:

  My glasses got broken when I was playing basketball.打篮球,我的眼镜给摔破了。

  说明:类似的短语有:get drunk(喝醉酒)get laughed at(被嘲笑)get punished(受惩罚)

  2)本句中的might是情态动词,是may的过去式,但它在本句中并不表示过去,而表示一种可能性。如:

  He is not here yet, He might /may be ill.他还没有来,他可能病了。

  上面的例句中,如果用may,则可能性比might要大。

  The pan is on fire. In that case, you wouldn't have a pan on fire.

  1) “(be)on fire” 意为“着火,失火”。例如:

  Look! The house is on fire.                            

  The shop on fire belongs to Mr Smith.

  [归纳]本课中名词fire同动词和介词的搭配有:be trapped by / above the fire(被火围困<在上面>);be killed / burnt in the fire(被火烧死); escape from the fire(逃离火境);set…on fire(使……烧烧<着火>)。

  [联想]名词fire与动词的搭配还有:catch fire(着火);control fire(控制火势);discover a fire(发现火情);light a fire(点火);start a fire / make a fire(生火);put out a fire (灭火);watch the fire(观火)。

  [联想]名词fire同另一名词搭配构成的复合名词有:fire alarm(火警警报);fire escape(<火警时用的>太平梯/安全梯);fire exit(<火警时用的>出口/太平门);firefighter(消防队员<合成或分写都可,但一般合写>)。

  2)In that /this case意为“在这种/那种情况下”。

  It may snow tomorrow. In that case, you’ll have to stay here.

过去时和过去进行时

  (1)过去时表示在过去某一具体时刻/时间完成或结束的动作。它可用于以下场合:

有时间状语的过去动作。

I bought the watch in Switzerland in 1988.我1988年在瑞士买了这块表。

询问已做动作或已发生事件的时间的问句。

When did you meet him?你是什么时间遇见他的?

尽管没有具体时间,句子叙述的是过去某一时刻发生的动作。

I didn't know you were here.我刚才不知道你己到了这儿。

  (2)过去进行时则表示所说的事情在过去某一时刻或一段时间内正在进行,而没有结束。它可用于以下情况:

在无时间状语的情况下,它表示逐渐的发展或事件发生的背景。

The wind was rising.风越刮越大。

与某一具体时间/刻连用,它表示某一动作在那个时刻以前已开始,并可能要延续到那一时刻以后。

I was watching TV (at) this time yesterday.昨天的这个时候,我正在看电视。

过去进行时经常与一般过去时配合使用,这时,过去进行时通常作为一般过去时的时间背景。

We were all sleeping soundly when the earthquake happened. 地震发生时,我们都睡得正香。

如果两件事都同时在进行,也可都用过去进行时来表示。

Some were carrying water while others were watering trees.有的在提水,有的在浇树。

过去进行时与always连用,用来表示一个不断重复的过去动作,表达说话人赞赏或厌恶的情感。

He was always ringing me up. 他老是给我打电话。

正如现在进行时可以表示一个明确的将来计划一样,过去进行时也可以表示这种发生在过去的将来。

Mr. Smith was busy packing, because he was leaving for London that night.

史密斯先生正忙着收拾行李,因为那天晚上他要动身去伦敦。

注意:同样一件过去的事情,用以上两种不同的时态表过没内涵:过去时强调动作的结束;而过去进行时,则强调动作的延续性。例如:

  I cleaned the house this morning.上午我打扫了房间。

  I was cleaning the house this morning.上午我一直在打扫房间。

练习:

  (1) Old Mc Donald gave up smoking for a while, but soon______ to his old ways.

  A. returned   B. returns  C. was returning   D. had returned

  (2) The reporter said that the UFO ______ east to west when he saw it.

  A. was traveling   B. traveled

   C. had been traveling   D. was to travel

  (3) Lisa ______ a book about China last year, but I don't know whether she has finished it.

  A. wrote   B. has written  C. was writing   D. had written

答案与分析

  【解析】(1)表示过去终止的动作;(2)when she saw it 表示“时间点”,指过去进行的动作;(3)but I don’t know whether she has finished it. 暗示“过去的动作并未结束”。答案为:(1) A; (2) A: (3)C。

  【说明】一般过去时和过去进行时的区别是考试的热点。简单归纳起来,应记住两点:(1)一般过去时表示一个过去已完成的动作,强调动作的结束;(2)过去进行时表示过去正在进行的动作,强调动作的延续。应用时,注意找到对照时间,分辨是指时间还是终止时间。

 

教学设计方案Lesson 61

Step I Lead in  

  Show the picture, talk about the following the questions?

  

  1)  What might happen if the oil gets too hot?

  2)What would you do if the pan of oil catches fire?

Step II Listening

  Play the tape of the dialogue for the Ss to listen and follow. Go through the dialogue briefly and make sure the Ss understand it. After that, answer the following question.

  1). What did Jenny ask Yang Pei to do first?

  2) .Did Yang Pei carry the pan out of the kitchen at once?

Key: 1) Jenny asked Yang Pei to turn off the gas and cov

《Unit 16 Fire(第3页)》
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