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1、Learning about language,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 leavealone desire ringup scanned absurd declared,Checking answer I (2m),The keys to ex. 2 :,scan favour cushions/beddings beddings
2、/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 e
3、veryone.(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.,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,Revision:Fill in the blanks using th
4、e 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.,to be tested out,to be offered,to be discovered,to be accompanied,不定式被动
5、式讲与练,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。,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
6、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 assigned such work.,二、不定式有时还可以有完成式的被动式，在句中作主语、宾语、定语、表语，如： It is a good thing for him to have been criticized.（主
7、语）他受到批评是件好事。 She preferred to have been given heavier work to do. (宾语)她宁愿分给她的是更重要的工作。,He is not likely to have been notified about it.(表语) 这事多半还没有通知他。 She was the first woman to have been elected to such a post. （定语） 她是第一位当选这个位置的妇女。,三、不定式的主动形式表示被动,1在there be结构中 用来修饰主语的不定式可以用被动形式，也可以用主动形式。 例如： There
8、is a lot of homework to do (也可用to be done) There is no time to lose (to be lost).,三、不定式的主动形式表示被动,2在“npron + be + adj + to do”结构中。常用的形容词有easy，difficult，hard，impossible，nice，pleasant，light，heavy，interesting，important，expensive，cheap， fit， dangerous等。,例如： He is hard to convince. He is an impossible per
9、son to work with,三、不定式的主动形式表示被动,3.在“too.to do; enoughto”结构中。如： The problem is too difficult to work out (to be worked out) The house is big enough to live in.,三、不定式的主动形式表示被动,4在“with+n+to do”结构中。 例如： With nothing to do，he lay in bed With so many exercises to do，I cant go to the cinema,三、不定式的主动形式表示被动,
10、5当不定式的逻辑主语在句中出现时。 例如： I have a letter to type today (I是to type的逻辑主语) Do you have anything to say? (you是to say的逻辑主语),三、不定式的主动形式表示被动,6当不定式隐含在for sb to do结构中 时。 例如： This is the best book to read (=for usyou to read) The important thing to do is to lock the door when we leave the house,三、不定式的主动形式表示被动,7一
11、些作表语用的不定式的主动形式。 常见的这类动词有rent，hire，blame等。 例如： The house is to rent I felt l was to blame.,NOTICE,动词不定式主动语态形式的使用要比被动语态形式的使用普遍，有时（尤其在口语中）虽然意思上是被动的，也往往用主动语态形式来表示。 I have three motors to repair today. The task is difficult to finish on time.,Answer key for Exercise 2 on page 14:,to be designed to be reb
12、uilt to be accompanied to be known as to be filled with to be tested out to be envied to be set aside,were listed be divided be organized to be accompanied were connected be surrounded was attached,Answer key for Exercise 3 on page 14:,Rules for polite behaviour in China. 1.It is impolite to leave b
13、efore elderly people in public. 2.To interrupt your parents conversation is considered rude. 3.It is polite for you to stand up when you are talking to an older person.,Answer key for Exercise 4 on page 14:,Assignment,Go over key words and expressions. Go over the grammar. Do ex. 3 on Page 56.,The End,Thank you!,
