初中三年级英语Unit12SelfCheck.ppt

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1、Unit 12Life is full of the unexpected.Review过去完成时过去完成时主语主语had nothadnt+ p.p.+其它其它.Had+主语主语p.p.+其它其它?主语主语had + p.p.+其它其它.强调过去某一个动作发生在另强调过去某一个动作发生在另一个动作前常常用过去完成时态。一个动作前常常用过去完成时态。过去完成时的结构过去完成时的结构过去完成时的用法过去完成时的用法过去完成时的否定形式过去完成时的否定形式过去完成时的疑问形式过去完成时的疑问形式1.一般过去时一般过去时表示在表示在过去过去某时发生的动作或某时发生的动作或 存在的状态。存在的状态。

2、例：例：We started to learn English 5 years ago. 我们五年前开始学英语。我们五年前开始学英语。一般过去时、现在完成时与一般过去时、现在完成时与过去完成时过去完成时5 years ago now2. 现在完成时现在完成时表示的动作发生在过去，但侧重表示的动作发生在过去，但侧重 对现在产生的结果或造成的影响，与现在有对现在产生的结果或造成的影响，与现在有 关。其结构为：关。其结构为：“助动词助动词 have（has）+过去过去 分词分词” 。例：例：We have learned English for 5 years. 我们已经学了五年的英语了。我们已经学

3、了五年的英语了。5 years ago have learnednow3. 过去完成时过去完成时表示在过去某个时间或动作之前表示在过去某个时间或动作之前 已经发生或完成了的动作或存在的状态，即已经发生或完成了的动作或存在的状态，即 “过去的过去（过去的过去（ past-in-the-past ）”。 例：例：We had learned English 4 year by last year. 到去年为止，我们已经学英语四年了。到去年为止，我们已经学英语四年了。 past in the pastpast now过去完成时过去完成时的的判断依据判断依据: 由由“过去的过去过去的过去”来判定。来判

4、定。 过去完成时表示过去完成时表示“过去的过去过去的过去”，先先发生的动作用发生的动作用过去完过去完成时成时，后后发生的动作用发生的动作用一般过去时一般过去时。 例：例：When I got to the station, the train had already left. 当我到车站时，火车已经离开了。当我到车站时，火车已经离开了。After he had finished his homework, he went to bed.完成作业后他就去睡觉了。完成作业后他就去睡觉了。 first firstBy the time When过去的过去过去的过去过去过去he ran outsid

5、ethe policeman got to the shopTom ran away By the time the policeman got to the shop, Tom had run away.过去的过去过去的过去过去过去Mary woke up the concert was over By the time Mary woke up, the concert had been over. 过去的过去过去的过去过去过去1. We _ ( learn ) 2000 English words since we came to this school. The teacher sai

6、d we _ ( learn ) 2000 English words since then. We _ ( learn ) 500 words last term. We _ ( learn ) 2000 words by the end of last term.have learnedhave learnedlearnedhad learned2. He _ ( have ) a meeting next week. He _ ( have ) a meeting two weeks ago. He told me he _ ( have ) a meeting two weeks be

7、fore.3. _ you _ ( be ) to the Great Wall? The teacher asked if you _ ( be ) to the Great Wall?hadhad hadHave beenhad beenwill have1 Complete the passage with the correct forms of the words in the box.cancel miss west accidentlady officer market unexpectedLast Saturday after my French course , I deci

8、ded to drive to the _ to buy a meat pie for dinner. As I was heading _ , I saw a huge truck in the middle of the road. There had been a(n) _ marketwestaccidentand there were many police _ around. I turned around and decided to go to a nearby mall. However, I _ the road that led to the mall. Then I s

9、aw a restaurant that sold chicken noodles. I went inside and the _, who was the owner, served me the most delicious bowl of chicken noodles ever. I had made a(n) _ discovery! Im so glad that I _ my plan to go to the market.officersmissedladyunexpectedcancelled2 Think of ways to finish the answers.1.

10、A: Why didnt you hand in your science homework? B: Before I could start working on it, _2. A: Why didnt you take a shower this morning? B: By the time I got up, _my baby brother started crying and I had to look after him as my mother was sick.my sister had already gone into the bathroom and the bus

11、was honking for me to hurry up.3. A: Why did you have to walk home from school? B: By the time I left my school,_ the school bus had already left.1. I happened _ him in the park yesterday. A. meet B. meeting C. met D. to meet 2. Have you ever invited a friend _ your school? A. for B. with C. to D. a

12、t 一、单项选择一、单项选择DC3. What did you do _ April Fools Day? A. on B. at C. in D. with 4. -The advertisement says there will be a great celebration this Sunday. - Forget it, its a _. A. fool B. hoax C. pleasure D. riskAB5. Johnny announced that he would never _ before finding a satisfying job. A. marry B.

13、married C. get married D. get marry 6. -Why was Miss Lee angry this morning? -Because Tom didnt _ his homework. A. hand out B. hand in C. give away D. give out CB二、根据汉语提示写出下面句中所缺的单词。二、根据汉语提示写出下面句中所缺的单词。 1. What a _ (傻瓜傻瓜) I was to believe he was a good man. 2. Few people realized the importance of the _ (发现发现). 3. He is not an _ (军官军官), but a common soldier. 4. He is the only person that is _ (可相信的可相信的). 5. When spring comes, the snow and ice will _ (消失消失). fooldiscoveryofficerbelievabledisappear Homework Review what you have learned in this unit and preview what you will learn in next unit.