人教版高中英語必修二單元三-語法：現(xiàn)在完成時的被動語態(tài)(共17張)課件

1、Unit 3 ComputersPeriod 4 The Present Perfect Passive Voice （現(xiàn)在完成時的被動語態(tài)）Unit 3 ComputersPeriod 4 TOver time I have been changed quite a lot.2. , I have been used in offices and homes since the 1970s.3. I never forget anything I have been told!4. Since the 1970s, many new applications have been found

2、for me.5. I have also been put into robots and used to make mobile phones as Task1. PresentationOver time I have been changed II. Translation 1. Two windows have been broken 2. The car has not been repaired 兩個窗子被打破了。 這輛汽車還沒有被修好。 II. Translation 3 Have the cars been repaired？ No，they havent4 How long

3、 has her work been finished？ 這些汽車修好了嗎？ 不，還沒有。 她的工作完成有多久了？ 3 Have the cars been repa1. 構(gòu)成： The Present Perfect Passive Voice （現(xiàn)在完成時的被動語態(tài)）現(xiàn)在完成時表示過去發(fā)生的動作對現(xiàn)在造成影響。have/has been doneThe Present Perfect Passive Vo2. 現(xiàn)在完成時被動語態(tài)的各種句式：肯定式 have/hasbeendone The desks have been cleaned. 這些桌子擦干凈了。否定式 have/hasnotbe

4、endone The desks have not been cleaned. 這些桌子還沒有擦干凈。2. 現(xiàn)在完成時被動語態(tài)的各種句式：疑問式Have/Has主語beendone?Have the desks been cleaned?No，they havent. 桌子擦干凈了嗎？ 不，還沒有。特殊疑問式 疑問詞have/has主語beendone? How long have the desks been cleaned？ 桌子擦干凈有多久了？疑問式Have/Has主語beendone?3.現(xiàn)在完成時被動語態(tài)的主要用法1) 當(dāng)動詞為短暫動詞時，可與already或yet連用。例如：The

5、 work has already been finished.工作已完成了。Im sorry，but the letters havent been typed yet.很抱歉，這些信件還沒有被打印出來。3.現(xiàn)在完成時被動語態(tài)的主要用法2) 當(dāng)動詞為持續(xù)動詞時，常與for或since引導(dǎo)的時間狀語連用，或用于How long.？句型中。例如：The plan has been discussed for nearly 2 hours.這項計劃已被討論了近兩個小時了。2) 當(dāng)動詞為持續(xù)動詞時，常與for或since引導(dǎo)的時間狀注意事項:1) 現(xiàn)在完成時的被動語態(tài)的兩個助動詞，即have/has

6、和been，缺一不可。2) 只有及物動詞才有被動語態(tài)，不及物動詞（詞組）沒有被動語態(tài)。注意事項:3) 副詞的位置 often, usually, always, never, hardly, seldom等副詞置于have/has和been中間。如: 誤 Such a man has been hardly believed. 正 Such a man has hardly been believed.3) 副詞的位置1Over the past ten years，this town _ (hit) twice by earthquakes.答案：has been hit2Will the

7、lecture be held at 4 oclock this afternoon?No. It_(put off) till tomorrow afternoon.答案：has been put offConsolidation.1Over the past ten years，thisII. Choose the best answers.1. All the preparations _, and were ready to start. A. completed B. complete C. had been completed D. have been doneII. Choose

8、 the best answers.2. - How long _ at this job? - Since 1990. A. were you employed B. have you been employed C. had you been employed D. will you be employed2. - How long _ at this 3. Betty_ injured since last Saturday. A . has been B. was C. is D. has4. -Did you move into the new house? - No. The ro

9、oms _ yet. A. were being painted B. are painting C. have not painted D. have not been painted 3. Betty_ injured since lastIII. 用所給詞的適當(dāng)形式填空。1.These rooms_yet. (not ,clean)2.Have these cars_? (repair)3.How many new words _ this term? (learn)have not been cleanedbeen repairedhave been learnedIII. 用所給詞的適當(dāng)形式填空。1.These rooms1. Recite the sentences from the text.2.