必修3教案 Unit1 Festivals around the world[全套教案]

     Eg.He is a man who always keeps his word.
        Don’t believe him, he always breaks his word.
   5.set off 1)动身，出发  Tomorrow we’ll set off for home.
             2)使…爆炸    The human body bomb set off among the crowd.
   6.I don’t want them to remind me of her.
     Remind sb.of sth.  提醒某人某事
     Remind sb. to do sth. 提醒某人做某事
     Remind sb. That
   Eg.The pictures remind me of my school days.
      Remind me to buy her a gift.
      I reminded him that he must go home before dark.
   7.forgive …for
   Eg.Please forgive me for my being rude.
Step 5.Ss work in groups of four to summarize the story and ask some of Them to tell the story in their own words.
   Sample:
   The story took place in an coffee shop where the hero, Li Fang, is
Waiting for his girl friend, Hu Jin’s coming. To his appointment, she
Didn’t turn up. Then there is a show on TV, which talked about the sad
Love story Of Qiqiao Jie. Being heart-broken, Li Fang threw away his
Valentine’s gift to Hu Jin. Then he met Hu Jin on his way back home,
Who had been waiting for him at a tea shop. What should he do?

Period 5-6  Discovering Useful Stuctures: Modal verbs

1. 情态动词的各种语气
1) can and could
Jin can speak English well.(ability)
No one could finish the test last week.(ability)
The teacher said that we could not leave early.(permission)
The hunters are lost. They could starve.(possibility)
Could you please show me the way to Beihai Park?(request)
注意：表示一般能力时，can 可与be able to 互换，但表示过去的能力+特定行为时，用was/were able to ,be able to 可用于各种时态，而can 只能用于现在时。
Eg.His mother wasn’t at home, so he was able to watch TV
2) may and might
May we see the awards for teams?(permission,request)
She might give yousome new clothing.(possibility)
注意：1.表示许可时，用于第一人称，指我（们）被允许做某事；由于其他人称，则指说话者允许主语做某事。
Eg.We might go shopping until dark.(我们被允许)
   Mother said:”You might go shopping until dark.” （说话者允许主语做某事）
   2.在用于请求许可时，may可与can/could 互换
   3）will and would
     The Spring Festival is the most fun. The whole family will come for dinner.(promise;agreement)
     Often he would dress up like a rich man.(past habit; custom)
     Would you like to join us for dinner?(request)
     注意：would 与 used to 均可表示“过去惯常”，但是would 常与过去时间状语连用，意为总是，总要；used to 与现在时间相比，意为过去常常，暗示现在已经没有了。
     Eg.When he was there, he would go to that coffee shop at the corner after work every day?
      He used to go to that coffee shop at the corner after work every day,but now he goes to play basketball.
   4)shall and should
     The harvest festival begins on Saturday.We shall be there with our friends.(promise, agreement)
     It’s nearly five o’clock. The taxi should be here soon.(prodiction)
注意：1.shall 用于第一，三人称的疑问句中，表示说或者征求对方的意见，或向对方请示。
Eg.Shall we go shopping after school?
2.should have done 表示过去应该做而没有做
  Should not have done 表示过去不用做而却做了
5）must and can’t
 Wang Feng wins an award every year. He must be very strong.(speculation)
 You must be joking. That can’t be true. (guessing)
 对现在的事情进行把握较大的判断时，肯定判断用must+动词原形，否定判断用can’t+动词原形。
 She must be in the library.
 She can’t be in the room.
2.modal verbs+ have done
一、情态动词+动词完成式
情态动词+动词完成式即“情态动词+ have + done分词”，表示对过去行为或动作进行推测、评论或判断。
1. must have done表示对过去某事的肯定猜测。其否定或疑问形式都用can(could) 来表示.   
 Since the road is wet, it must have rained last night.
He can’t have missed the way. I drew him a map.
“The dictionary has disappeared. Who could have taken it?”
当然对现在发生或将来发生的事情,要用must do 表示猜测, 否定为can’t do.
He must understand that we mean business.
You must be hungry after a long walk.
2.may / might have done
may / might have done 表示推测过去某事“也许”发生了.may 比 might 表示的可能性在说话人看来稍大些。例如：
I can’t find my keys. I may / might have left them at the school yesterday.
3. could have done 在肯定句型中, 往往用作委婉的批评. 本应该做什么,而没做; 有时也用作猜测.
You could have told us earlier.
Tom could have taken the dictionary.
4. ought to / should have done和 ought not to / shouldn’t have done
    ought to / should have done 和 ought not to / shouldn’t have done 用于对已发生的情况表示“责备”、“不满”，分别表示“本应该…”和“本不应该…”。例如：

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