Unit1被动语态 ppt课件-（2022新）人教版高中英语选择性必修第四册.pptx

1、the passive voiceUNIT 1 SCIENCE FICTION被动语态the passive voiceCHAPTER 1CHAPTER 1被动语态的概念 动词的一种形式，用来说明主语和谓语之间的关系。 语态主动语态和被动语态 语态语态被动语态被动语态被动语态表示是动作的被动语态表示是动作的承受者承受者什么时候什么时候常常用被动语态用被动语态? ?被动语态被动语态不知道动作的执行者不知道动作的执行者没有必要指出动作的执行没有必要指出动作的执行者者强调动作的承受者强调动作的承受者被动语态被动语态下面几种情况一般用被动语态下面几种情况一般用被动语态: :(1)不知道或没必要指出动作

2、的执行者时。The meeting has been put off. 会议已被推迟了。被动语态被动语态(2)强调动作的承受者时。This sculpture was carved by him.这个雕塑是他雕刻的。被动语态被动语态(3)出于礼貌避免说出动作的执行者时。Everyone is expected to obey the following rules. 希望大家遵守以下规定。Scan the reading text and underline all the verbs in the passive voice. Then discuss with a partner why

3、the passive voice is used.was going to be tested out; to be harmed; was being looked after; was being offered; was not allowed; was being treated badly; to be discovered by her; was being completely transformedThe passive voice is used to focus on the person or object that experiences an action rath

4、er than the person or object that performs the action. It is used when we dont know the performer, or the performer is unimportant ( and therefore omitted ), or the performer is to be highlighted ( and therefore placed toward the end ).被动语态被动语态各种时态的被动语态时间一般时进行时完成时现在am / is / are doneam / is / are be

5、ing donehas / have been done过去was / were donewas / were being donehad been done将来shall / will be done-shall / will have been done例句例句1.You are invited to make a speech in our school.2.The carpet was broken by Leech.3.The meeting will be held at 8: 00 a.m. tomorrow.4.The plan is being carried out suc

6、cessfully.5.Her car was being washed at that time.6.All the work has been finished by now.It is known that . It is suggested that . It is believed that . It is reported that . It is said that . It is hoped that . “it + be + 过去分词 + 从句”式的被动结构 常见的结构有：The old man was often laughed at. 那位老人经常被嘲笑。短语动词在主动结

7、构中是不可分割的短语动词在主动结构中是不可分割的, ,在被动结构在被动结构中也是如此中也是如此, ,不可去掉后面的介词或副词。不可去掉后面的介词或副词。1.The students have been working hard on their lessons and their efforts_(reward) with success in the end.2.After school we went to the reading room to do some reading, only to be told that it_(decorate).心灵手巧心灵手巧will be rewa

8、rdedwas being decorate3.The temperature will fall sharply the day after tomorrow, when a snowstorm _(expect) to strike our area.4.When they got home, they found that their house_(break) into and a lot of valuable things had been stolen.心灵手巧心灵手巧is expectedhad been brokenWe saw a stranger enter the bu

9、ilding just now. A stranger was seen to enter the building by us just now.句式转换句式转换My uncle gave me a present the other day.句式转换A present was given to me the other day by my uncle.句式转换句式转换The bad weather made me decide to stay here for another day. I was made to decide to stay here for another day by the bad weather.