市公开课选修七Unit语法课件.pptx

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1、不定式由“to+do(动词原形)”构成,其否定形式是“not to do”,不定式可以带宾语或状语构成不定式短语,在句子中作 _,_,_,_,_,_ 或 _。不定式没有人称和数的变化,但有 _ 和 _ 的变化。插入语主语表语宾语宾补定语状语时态 语态第1页/共22页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。第2页/共22页形形 式式 主主 动动 被被 动动一般式一般式进行式进行式完成式完成式完成进完成进行式行式to doto have doneto be doingto have been doingto be done

2、to have beendone第3页/共22页归纳：逻辑主语是动作的执行者时用 _ 语态；逻辑主语是动作的承受者时用 _语态。主动被动1.He hopes _(see)you again.他希望再次见到你。2.He thought it an honor _(invite)to the party.他认为被邀请参加派对是个荣幸。to see to be invited to do&to be done第4页/共22页不定式被动语态to be done&to have been done1.He ordered the bridge _(build)within the month.他命令在月

3、内建成这座桥。2.She was glad _(give)so much help.得到如此多的帮助,她很高兴。to be built to have been given 归纳：动作与谓语动词的动作同时发生或在其后发生用_；动作发生在谓语动词的动作之前用_。to be done to have been done第5页/共22页(1)The meeting _(hold)is of great importance.要举行的这个会议很重要。(2)This house seems _(build)by a good architect.这个房子似乎是一个厉害的建筑师建造的。to be done

4、&to have been doneto be heldto have been built第6页/共22页1.The dishes need _.to be washed wash:to be done 第7页/共22页 2.The mail is intended(准备准备)_.sendto be sent 4.The house is _(待售待售).sellto be sold 3.The wall is expected _.to be paintedpaint第8页/共22页Speaking:using the structure“need to be done”第9页/共22页通

5、常在believe,suppose,say,report等动词构成的句子可以转换成主语+be+P.P.+to have been donePeople believe that he was killed.It is believed that he was killed.He is believed to have been killed.转化成its+p.p.+that从句转化成Hes+p.p.+?大家相信他被杀了。第10页/共22页1.The meeting is said _(cancel).据说会议取消了。2.The book is reported _(translate)into

6、 many languages.据报道这本书已经被翻译成很多种语言。to have been translatedto have been cancelled第11页/共22页1.He is hard to convince.2.The problem is too difficult to work out.3.With nothing to do,he lay in bed.第12页/共22页归纳：在“be+adj+to do”结构中。常用的形容词有easy,difficult,hard,impossible,nice,pleasant等。He is impossible _(work)w

7、ith.跟他一起工作是不可能的。1.He is hard to convince.to work第13页/共22页归纳：“too to;enough to”结构中。The house is big enough _ in.这房子用来住足够大。2.The problem is too difficult to work out.to live第14页/共22页归纳：在“with+n.+to do”结构中。3.With nothing to do,he lay in bed.With so many exercises_,I cant go to the cinema.太多作业要做，我不能去看电影

8、。to do第15页/共22页第16页/共22页Baymax is a sweet guy(暖男),and he is very popular especially among girls.Firstly,it _(look)cute and warm,which makes people want _(hug)by him.大白是个暖男，尤其在女生中受到欢迎。首先，他看起来很可爱很温暖，这使得大家都想被他抱抱。looksto be hugged第17页/共22页Meanwhile,as a sweet healthcare assistant,he is easy _(get)along

9、with and wont leave you alone.He is kind enough _(accompany)you and is easily amused by the words“I am _(satisfy)with your care”.同时，作为暖心的健康助手，他很容易相处，而且不会丢下你一个人。他足够友善陪伴你，并且你的“我很满意你的照顾”的话会让他很开心。to getto accompanysatisfied第18页/共22页Whats more,with a selfless personality,Baymax doesnt allow anyone _(harm).All in all,the movie is said _(love)by the society so much that it won the top of box office(票房冠军).to be harmedto have been loved另外，有着无私的个性，大白不允许任何人受到伤害。总而言之，据说这部电影深受大众喜爱，并赢得了票房冠军。第19页/共22页第20页/共22页第21页/共22页感谢您的观看。第22页/共22页