5 Unit 12 Section A 3 (Grammar focus-4c)教案

Section A 3 (Grammar focus-4c)一、教學目標： 1. 語言知識目標：1) 學習掌握下列詞匯：cream, workday, pie, show up, bean, market, by the end of2）實行一步復習鞏固學習Section A 部分所學的生詞和詞組。3）鞏固過去完成時的用法2. 情感態(tài)度價值觀目標：1）能使用所掌握的語法，句型和詞匯實行交流。2）能比較流利地講述自己以前有的特別的經(jīng)歷。二、教學重難點1. 教學重點：1) 復習鞏固Section A 部分所學的生詞和詞組，達到熟練使用的目標。2) 總結過去完成時的不同句型。3）總結過去完成時的用法。2. 教學難點：過去完成時的用法三、教學過程. Revision1. Have a dictation of the new words learned in the last class. 2. Review some main phrases we learned in the last class. Check the homework. 把下列短語翻譯成英語1. 即將 2. 倒杯咖啡3. 排隊等候 4. 起床5. 出去 6. 遲到7. 到時候 8. 鬧鈴響9. 開始做某事 10. 搭便車3. Revision過去完成時的構成：had+動詞的過去分詞II. Lead-in T： What happened to you on a bad morning? Ss引導學生用過去完成時回答。III. Grammar Focus. 1. 過去完成時講解。2. 學生閱讀Grammar Focus中的句子，然后做填空練習。1）當我到達學校的時候， 我才意識到我把書包忘在家里了。When I got to school, I realized I _ _ my backpack at home. 2）到我返回學校的時候， 鈴聲已經(jīng)響過了。_ _ _ I got back to school, the bell _ _.3）我到達公共汽車站之前， 汽車已經(jīng)離開了。Before I _ _ the bus stop, the bus _ _ _.4）我決定先買一杯咖啡，然后再準備去辦公室，I _ _ _ go up to my office when I decided to get a coffee first.5）就在我和別的工作人員一起排隊等候的時候，聽到了一個巨大的聲響。As I _ _ _ _ with the other office workers, I _ _ _ _. Keys： 1. had left 2. By the time , had rung 3. got to, had left 4. was about to 5. was waiting in line , heard a loud sound 3. 學生們根據(jù)記憶，看大屏幕來完成填空練習。4. 學生們完成填空試題后，可以打開課本檢查答案，對錯誤的句子，單獨進行強化記憶。IV. Try to Find 1. 由when, by the time, before等引導時間狀語從句時，若描述發(fā)生在過去的事，主句常用過去完成時(had + 過去分詞)表示動作發(fā)生在過去的過去。2. be about to do, be doing等表示即將或正在做某事時，常用when引導從句表示突然發(fā)生的動作，when可省略。. Practice 1. Work on 4a. Ask Ss to make sentences using by the time or before on their own.1) Ask five students to the blackboard to write their sentences.1. Tim went into the bathroom. Mary got up. By the time Mary got up, Tim had already gone into the bathroom.2. The coffee became cold. I put cream (n. 奶油) in the coffee. _3. The teacher collected the math homework. I got to school. _4. I completed the work for my boss. The workday (n. 工作日) ended. _5. The movie started. I arrived at the cinema. _6. My mother finished making the apple pie (n. 果餡派). I got home from my language course. _2) Correct their sentences together in class. 2. Work on 4b. 1) Let Ss read the words or phrases in the box and try to understand the meanings of them. 2) Fill in the blanks with the correct forms of the words by themselves.1. By the time I arrived at the party, everyone else _ already _.2. When he put the noodles into a bowl, he realized he _ to add the green beans (n. 豆).3. By the time my mother came back from the market (n. 市場), I _ already _ the door to go for my piano lesson.4. Before she got to the airport, she _ _ about the earthquake. 5. When she _ the movie theater, she _ remembered she had forgotten to feed her dog.6. Before she got a chance to say goodbye, he _ the building.3) Correct their answers together. Work on 4c. 1) Let Ss think about his/her day yesterday. 2) Let them write two true statements and one false statement about their day yesterday.3) Ask their classmates to guess the false statement. e.g. 1. By the time I left for school in the morning, _.2. By the end of the school day, _3. By dinner time, _VI. 如果有時間的話，再做以下練習吧！用括號里所給詞的適當形式填空。1. When Tim get back home, he started to realize that the thief _ (come) to his house.2. By the time I received the letter, I _ (tell) the content of it.3. When I was born, I _ (cry) heavily the first time in my life.1. had come 2. had been told 3. cried 翻譯下列句子：1.當他到達學校的時候，老師已經(jīng)開始上課了。2.當我出來的時候，我爸爸已經(jīng)離開家了。3.在我拿書包以前我把門鎖上了。4.在她做完作業(yè)之前我媽媽已經(jīng)回來了。VII. Homework 1. 復習Grammar Focus 中的內容。Try to make sentences with before, by the time and be doing when, and make use of the past perfect tense.2. 寫作： 描述一次難忘的經(jīng)歷。