探究性学案示例

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1. At a big hallof entertainment, a performance of “The Liberation of China” wasgiven. To my astonishment, the performers were a group of teenagers !

2. Truthbrings people happiness, freedom and wisdom.

3. A farmer, an actor, a waitress,a pianist and an musician held a concert .

4. On a stormynight, a foolish man couldn’t find his home. He was always sensitiveand forgetful. He ran eastwards , thirsty and hungry. Finally, hefound an eatable and harmless plant . It was funny !

* 观察1，2组例句中划线部分的名词，分别由什么词性的词根加上什么后缀而构成的？ 我发现 1组:_________________________   

2组: __________________________ .

* 第3组例句中的名词有什么规律呢? ________________________________________.

* 第四组例句中划线部分单词是什么词性呢 ? __________ .

其后缀为 _______________________________________等 .

                    ----关于v-ing

1.      Mr. Huai ,our English teacher, is a charminggentleman .

2.      The man sitting by the window chewed themeat with great enjoyment.

3.      A beautiful dancing girl attracted ourattention.

4.      A new dancing hall has been set up in thecity.

5.      The story was interesting and childrenburst into laughter.

6.      His dream is acting in a film produced by Hollywood.

7.      The film was moving and we were greatlymoved.

8.      Someone saw a thief sliding into the room.

9.     Can you smell anything burning in the kitchen?

10.  The news sets us thinking.

11.  I can’t get the clock going again.

  观察探究

请观察例句（1）---(4) , 说明v-ing 在句中所作的成分及位置。

我的发现（一）：   1. __________________________________ .

                    2. __________________________________ .

想一想: 下面的句子你能用v-ing 表达出来吗 ?

* The boy who issitting on the sofa can play the piano well.

==____________________________________________ .

* The actress whois eating her dinner has acted in many films.

==____________________________________________ .

请观察例句 (3) (4)

我的发现（二）：单个的v-ing 作定语会有两种含义：

１．a dancing girl 意为__________;　v-ing与被修饰的名词是主动关系，常可转换为一个定语从句__________________。

2．a dancing hall意为__________　v-ing说明被修饰名词的功能或用途，可以转换成 “for”短语___________________。

举一反三：a drinking horse =_______________ 意为 _____________

          a drinking cup  =_______________ 意为 _____________

          a sleeping boy  =_______________ 意为 _____________

          a sleeping bag  =_______________ 意为 _____________

浮想联翩：你还能举出其它类似的例子吗？

   如__________________________________________等。

观察探究

请观察例句（5）---(7) , 说明v-ing 在句中所作的成分。

我的发现(三) ：________________________________ 。

请观察例句（7）

moving 意为__________,  moved 意为___________。

浮想联翩：你还能举出其它类似的例词吗？（要有感情色彩的啊！）

            如__________________________________________等。

观察探究

请观察例句（8）---(11) , 说明v-ing 在句中所作的成分

我的发现(四) ：_____________________________________ .

常用在表感官或心理状态的动词如__________________等之后，表示一个动作正在进行； 用在表使让动词如______________________等之后，表示一个动作持续进行。

小试牛刀：

1. I saw a boy______(support) an old man to cross the street. (看到正在进行的事)

     2. I saw a boy ______(support) an old man tocross the street. (看到事情全过程)

     3. A boy was seen _________(support) an old manto cross the street.

               

Write down the different meanings of thefollowing phrases.

pick up

• I’ll pick you up at the railway station.  
  
• He picked up some French when in Paris.
  
• Let’s pick up where we stopped yesterday.   
  
• Mr. Bean     managed to pick up a second-hand     car at the flea market (旧货市场).
  
• We can practice     English by picking up VOA or     BBC.
  
• She picked up the coats from the     cleaners (干洗店).
  

…  …

pick out

• She picked out a long dress for the     party.
  
• The little     boy picked out his mother from     the crowd.
  

pick off

• The farmer picked off the apples from the     apple trees.
  
• The gunman picked off an old man who was     passing by.
  

cut off

• His little     finger was cut off when he was     cooking.
  
• We were cut off in the middle of     conversation.
  
• Their water     supply has been cut off.
  
• The village     was cut off by the heavy snow     from the outside world.
  

cut down

• The man who cut down trees will be punished.
  
• Your article     is too long---Please cut it down     to 1000 words.
  
• She was told     to cut down the monthly     expenses(花销) .
  

cut up

Mom cutup tomatoes ready for cooking.

SHOW YOUR GOOD SENTENCES !

1.__________________________________________________________.

2.__________________________________________________________.

SUMMING UP

What have you learned today?

______________________________________________________________

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