高二英语_Unit2_《Robots》语法课件_新人教版选修7_(2).pptVIP

Revision:Fill in the blanks using the right forms of the verbs. 1.It was going _________(test) by Claire. 2.Claire thought it was ridiculous _________ (offer) sympathy by a robot. 3.How awful _________(discover) by her. 4.Tim refused __________(accompany) by his father when he went for a haircut.  * * Unit 2 Robots The keys to the ex. 1 pleasure, tried pity go away wish digital 6.looked at 7.ridiculous 8.stated satisfaction, tested out sympathy leave…alone desire ring…up scanned absurd declared Checking answer – I (2m) The keys to ex. 2 : scan favour cushions/beddings beddings/cushions clerks awful turn around alarms declaring Checking answer – II (5m) Grammar Passive infinitive 一.复习被动语态（Revise the Passive Voice） 英语动词有主动语态（the active voice）和被动语态(the passive voice)两种形式.主动语态表示主语是动作的执行者；被语态表示主语是动作的承受者.如： Everyone enjoys exciting sports.（主动语态） Exciting sports are enjoyed by everyone.(被动语态) 转换规则： 用公式表示为:(主动)S+V+O S(O)+V(be+ V -ed)+ by+O(S)，如： Miss Li is teaching music now. Music is being taught ( by Miss Li) now. shall/will be given 将　来 was/were given 过　去 am/is/are given 现　在 完　成 进　行 一　般 时 式 二.常见主被动时态变化一览表 am/is/are being given has/have been given was/were being given had been given shall/will have been given to be tested out to be offered to be discovered to be accompanied 不定式语法? 不定式的时态和语态 不定式有时态和语态的变化，时态共四种，即一般式、完成式、进行式和完成进行式。语态分为主动语态和被动语态，如下表所示。 无被动语态 to have been doing 完成进行式 无被动语态 to be doing 进行式 to have been done to have done 完成式 to be done to do 一般式 被动语态 主动语态 语态 时态 当动词不定式的逻辑主语是动词不定式所表示的动作的执行者时用主动语态； 当动词不定式的逻辑主语是动词不定式所表达的动作的承受者时用被动语态。 进行式和完成进行式没有被动语态。 ???一、 不定式的被动形式有下列用法 1．作主语： It is an honour for me to be asked to speak here. 2．作宾语： She asked to be sent to work in Xinjiang. 一 当不定式的逻辑主语是不定式所表示的动作的承受者时，不定式一般要采用被动形式。 ． 3. 作表语： His dream was to be admitted to a good university. 4．作定语： Are you going to the meeting to be held in the teachers’ office? 5．作状语： She was too young to be assi