2.  一、本周教学重点：  1. 复习被动语态  2. 情态动词表达怀疑、确定和可能。  3. 重点词汇

3.  二、具体内容：  （一）被动语态：  1. 一般现在时被动语态基本结构：  主语＋ am/is/are ＋过去分词  The food is placed in the oven.  They are turned into heat.

4.  2. 一般过去时被动语态基本结构：  主语＋ was/were ＋过去分词  Magic Squares were invented in China.  Papermaking was introduced into Japan in 610.  3. 情态动词被动语态基本结构：  主语＋ can/should/must ＋ be ＋过去分词  School uniform must be worn at all times.

5.  4. 一般将来时被动语态基本结构：  主语＋ will ＋ be ＋过去分词  It can’t be a radio because it’s too big to be a radio.  The report will ______ （ finish ） in two days’ time.  Milk should _______ （ keep ） in the fridge.  White clothes and colored clothes should not _______ （ wash ） together.  School uniforms needn’t ______ （ wear ） at all times.

6.  （二）情态动词：  当不是很确定时，用 might 或 may. （ might 比 may 更 不确定）  Who knows what will happen. You may even have married by then.  It might be a tool for cutting things. I don’t know.  当确定某件事是唯一的可能时，用 must.  It must be some sort of toy.  当确信不可能发生时，用 cannot.  It cannot be a radio because it’s too big to be a radio.

7.  Ex. Complete the sentences with might be / may be, cannot be, or must be.  1. This exam _________ too difficult for the students. I don’t think they can finish it.  2. It _________ a book for children. There are many cartoons in it.  3. It _________ true. I think you made a mistake.  4. Mr. Smith ________________ in London, Paris, or Tokyo. No one knows for sure.  5. That _________ John. He is in New York now.  6. Did you hear the doorbell? It _______ Nicholas. I am expecting him.

8.  （三）重点词汇：  1. In many big cities in the world, the overuse of cars is thought to be one of the major causes of air pollution.  over ＋名词 / 形容词，表示 “ 过多，过于 ”  The over-load truck caused a serious road accident.  She always works overtime, so she has to leave her baby cared for by her mother.  be thought to be 被认为，被看作  She is thought to be the top student in our class.  Jane is thought to be busy preparing for the exam.

9.  2. However we are also warned not to ask for pretty colors, because the car will come in gray only.  warn  No one warned him of the danger.  I warned her not to get close to the dog but she wouldn’t hear of it.

10.  3. Other experts are sure that the future will be happy.  be sure that…  I am sure that smoking will hurt you.  Are you sure that John will come this afternoon?  4. If gas is in short supply, the super car will run on water.  be in short …  The cheaper it is, the better. I’m short of money.  on 靠  He finds it difficult to live on his salary.  They live mostly on vegetables from their garden.

11.  5. As a rule, soft fruits like strawberries, etc, are difficult to freeze.  as a rule 一般来说，通常是  As a rule, she goes out early every evening looking for work.  As a rule, we get home at 6.

12.  6. You should be careful the first time you wash your shirt because the blue color might come out and mark the white part.  come out 开花，出版，退色，计算出来  This magazine comes out monthly.  Some flowers have begun to come out.  I washed the shirt twice but the ink still hasn’t come out.  7. observe 观察  I observed a letter on the table.  Did you observe anything strange in that boy’s behavior?

14.  ［课堂练习］  I. 单选。  1. Have you ever this kind of moon cakes?  A. eat B. eats  C. eating D. eaten  2. The knives are used cutting things.  A. in B. to C. for D. of  3. They are used for the style of a shoe.  A. change B. changes C. changing D. changed

15.  4. –Must I stay at home, Mum?  - No, you.  A. needn’t B. mustn’t C. don’t D. may not  5. She asked them things about.  A. not to litter B. don’t litter C. not litter D. no litter  6. I’m not sure he will come back home tomorrow or not.  A. when B. what C. whether D. where

16.  7. Look. These be dinosaur eggs because they are the biggest of all.  A. must B. can C. should D. may  8. –I was told to take umbrella with me.  --Oh, no. look at the sky. It’s sunny and rain.  A. must B. can’t C. may D. needn’t  9. The light in the office is off. The teacher be there now.  A. may B. can’t C. mustn’t D. must

17.  II. 完成句子：  1. 警察阻止孩子们在街上玩耍。  The policeman stopped the children in the street.  2. 去年他去日本学医。  Last year, he went to Japan.  3. 她每天早起以便能读英语。  She gets up early every day she can read English.

18.  III. 连词成句  1. The money/ count/ every evening  ___________________________________________ __________  2. The children/ take care of /in the kindergarten  _________________________________________  3. English/ speak/ everywhere  ___________________________________________ ______________