3-3grammar1

1、The Violence of Nature,Module 3,Grammar 1,By the time the tornado ended, morethan 700 people had been killed.Coghlan traveled back to Canada after he had been buried in Texas.,1. Look at these sentences and answer t

2、he questions.,Which event happened first? a. the tornado ending b. 700 people dying c. traveling back to Canada d. being buried in Texas2. How can you show that one event happened before another

3、?,________________________,___________________________,By using a tense which is furtherin the past.,過去完成時,1、定義：過去完成時（主動語態(tài)和被動語態(tài)）表示在過去某一時刻已完成的動作。,2、構成：have(has)+過去分詞（表主動) have (has) +been+過去分詞(表被動）,3、用法：(1)  &

4、#160; 在過去某一時間以前（即by/before/by the end of+過去時間）或過去事件之前（即when /before/than狀語從句內(nèi)的一般過去時）已發(fā)生并完成的動作或存在的狀態(tài)。,(2)用于以連詞when, as soon as, as….as, before, until, now that.引導的狀語從句中或一些賓語從句中已表示動作發(fā)生的時間早于主句所表示的動作，可表示原因、動作先后等關系。Please lo

5、ok at the exercises:,2. Choose the correct tense and voice to complete each sentence.,(1)After the hurricane, Mary _____ (see) that the roof of her house______________(disappear).(2) She _________(return) home and __

6、___(find)all her furniture________________(ruin) by the flood.,saw,had disappeared,returned,found,had been ruined,(3) Arthur was surprised when he _______(arrive) home because the tornado __________ (take) the further

7、s off his chickens.(4) We ______(leave) the house when the thunderstorm ____________ (finish).(5) He ___________(try) to drive back to his home before the flood ________(pass) the village.,arrived,had taken,left,had fi

8、nished,had tried,passed,3. Complete these sentences with the verbs from the box. Use the past passive ,if necessary.,destroy die fall flood kill,(1)After the earthquake, they discovered that se

9、veral people__________.(2)When the hurricane ended, severalbuildings in the town______________.,had died,had fallen down,(3) His village_______________ in theheavy rain, so he moved to his parents’house.(4) When sh