选修七unit2语法ppt课件.pptx
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,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。,to do,to have done,to be doing,to have been doing,to be done,to have beendone,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,不定式被动语态to be done & to have been done,1. He ordered the bridge _(build)within the month.他命令在月内建成这座桥。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,(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 & to have been done,to be held,to have been built,1. The dishes need _.,to be washed,wash,Practice,:to be done,2. The mail is intended(准备) _.,send,to be sent,4. The house is _(待售).,sell,to be sold,3. The wall is expected _.,to be painted,paint,通常在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 done,People believe that he was killed.,It is believed that he was killed.,He is believed to have been killed.,主语 + be + p.p. to have been done,转化成its +p.p.+that从句,转化成Hes +p.p.+?,大家相信他被杀了。,The meeting is said _ (cancel). 据说会议取消了。2. The book is reported _ (translate) into many languages. 据报道这本书已经被翻译成很多种语言。,to have been translated,to have been cancelled,He is hard to convince.The problem is too difficult to work out.With nothing to do, he lay in bed.,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) with.跟他一起工作是不可能的。,1. He is hard to convince.,to work,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,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。,to do,Robot Baymax!,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。,looks,to be hugged,Meanwhile, as a sweet healthcare assistant, he is easy _(get) along 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 get,to accompany,satisfied,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 harmed,to 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。,Thank you!,
