人教版九年級英語第十二單元A1a-1c

1、編輯課件Unit 12 Life is full of the unexpected. Section A 1a2c編輯課件你能說出下列規(guī)則動詞的過去式和過去分詞嗎？你能說出下列規(guī)則動詞的過去式和過去分詞嗎？walk _ _rush _ _play _ _ want _ _ walked walkedrushed rushedplayed playedwanted wanted編輯課件get _ _ go _ _ leave _ _oversleep _ _ have _ _ give _ _你能寫出下列不規(guī)則動詞的過去式和過去分詞嗎？你能寫出下列不規(guī)則動詞的過去式和過去分詞嗎？ring _

2、_run _ _wake _ _ put _ _rang rungran runwoke wakengot got/gottenwent goneleft leftoverslept overslepthad hadput putgave given編輯課件Do you remember any unexpected situation in your daily life?編輯課件What do you think of the people in these pictures?They look scared/ sad編輯課件He broke his arm.He is getting a

3、n electric shock.What happened to the boy?Life is full of the unexpected.編輯課件1aLook at the pictures. What happened to the girl?編輯課件Marys Bad Day編輯課件1aHow did Tina look?編輯課件She got up late. She overslept.Tell a storyoversleep (overslept, overslept)v. 睡過頭；睡得太久睡過頭；睡得太久復合詞中的復合詞中的over常有常有“過于過于”之意之意Dont o

4、versleep, Dean! You are to be late.迪恩，別睡過頭了！你要遲到了。迪恩，別睡過頭了！你要遲到了。編輯課件By the time she got up, her brother had already gotten in the shower.=when當當時候時候編輯課件By the time she got outside, the bus had already left.=when當當時候時候編輯課件編輯課件When she got to school, she realized she had left her backpack at home.編輯課

5、件Listen to Mary talking about her morning. Complete the sentences. By the time I got up, my brother _ already _ in the shower. By the time I got outside, the bus _ already _. When I got to school, I realized I _ _ my backpack at home.hadgottenhadlefthadleft編輯課件Boy: Hi, Mary. You look so tired.Mary:

6、I am. I had a bad morning.Boy: Really? What happened?Mary: Well, first of all I _. By the time I got up, my brother _ already _ in the shower. Boy: Oh, what a pain!Mary: So, after he got out of the shower, I took a quick shower and got dressed. But by the time I _outside, the bus _ already _.Boy: Oh

7、, no!Mary: Oh, yes! So I ran all the way to school. But when I got to school, I _ I _ my backpack at home.Boy: No wonder you look stressed.overslepthadgottenrealizedhadwentlefthad left編輯課件通過剛才的聽力訓練，你來總結一下。通過剛才的聽力訓練，你來總結一下。（1）By the time I got up, my brother had already gotten in the shower. By the t

8、ime I got outside, the bus had already left. When I got to the school, I realized I had left my backpack at home.這三句話是什么時態(tài)的句子這三句話是什么時態(tài)的句子?_（2）過去完成時表示在過去某個時間過去完成時表示在過去某個時間,或動作之前或動作之前 已經(jīng)發(fā)生或完成的動作。即已經(jīng)發(fā)生或完成的動作。即“_”。 結構為：結構為：_ 3）by the time 意思是意思是 _, = when, 后接過去時后接過去時的句子時的句子時, 謂語動詞用謂語動詞用_。過去完成時過去完成時在在 時候

9、時候過去式過去式編輯課件I got homenow現(xiàn)在現(xiàn)在9:00pm8:00pmMy little brother went to bedBy the time I got home, my little brother had gone to bed編輯課件過去完成時過去完成時(1) 構成：由構成：由“助動詞助動詞had(用于各種人稱用于各種人稱和數(shù)和數(shù)) + 過去分詞過去分詞”構成構成 否定式：否定式：had not + 過去分詞過去分詞 縮寫形式：縮寫形式：hadnt (2) 用法：過去完成時表示在用法：過去完成時表示在過去某一過去某一時間或動作之前時間或動作之前已經(jīng)發(fā)生或完成了的已經(jīng)

10、發(fā)生或完成了的動作。動作。編輯課件(3) 它所表示動作發(fā)生的時間是它所表示動作發(fā)生的時間是“過去過去 的過去的過去”。 表示過去某一時間可用表示過去某一時間可用by, before 等構成的短語來表示。等構成的短語來表示。 也可以用也可以用when, before 等引導的等引導的時時間狀語從句間狀語從句來表示。來表示。 還可以通過狀語從句或通過還可以通過狀語從句或通過上下文上下文暗示暗示。編輯課件The Past Perfect Tense過去完成時常用于常用于:（1）含介詞）含介詞by到到為止為止, before 等時間短語的句中等時間短語的句中.（2）連詞）連詞when, by the

11、time ，before 等引導的時間狀語從句的主句中等引導的時間狀語從句的主句中.（3）用于主過從過的從句中）用于主過從過的從句中. I realized he had already left here. We had learnt 20 English songs by the end of last month.The plane had taken off when I reached the airport.By the time I got up , my brother had left home.編輯課件過去完成時和過去完成時和 already, just, ever, ye

12、t 等連用表示過去的過去。等連用表示過去的過去。用法：用法：例如：例如：1. 他告訴我說他們隊已經(jīng)贏了。他告訴我說他們隊已經(jīng)贏了。He told me that his team _ already _ (win).hadwon2. 她說她仍沒去過長城。她說她仍沒去過長城。She said that she _(not go to) the Great Wall yet.hadnt been to編輯課件練習：用所給詞的適當形式填空練習：用所給詞的適當形式填空1) When they got to the station, the train _ (leave).2) By the time she got to class, the teacher _ already _ (start) teac