二零二三年 优质公开课必修5Unit1Grammarandusage.ppt

牛津高中英语;Grammar To-infinitive;课件描述：;What can we learn about friendshi Annie’s letters;To-infinitive;Study the two letters on ore To-infinitives in the letters and tell their functions in the sentences ; You have every right to feel betrayed … attribute 2 …she wanted to embarrass you in s you need to ait … object attribute ; 动词不定式由“to动词原形”构成，其否定形式是 not to do。动词不定式可以单独使用或用作动词 不定式短语的一个部分。不定式在句中可做主语、 宾语、状语、表语、宾语补足语和定语等，但不能 单独作谓语。 ;1 作主语;2 作宾语 ;3 作宾语补足语;I have a letter to all room to live in I need a pen to write with;2 试比较： Do you have anything to wash 你有什么要洗吗？（不定式to wash的动作执行者是you） Do you have anything to be washed 你有什么要（别人）洗吗？（不定式to wash的动作执行者是别人，而不是you）;5 作表语;6 作状语 表示目的。例如： They wored hard day and night to oted;常见的后接不定式作宾语的动词有： offer, decide, hoise, agree, anage, refuse, wish, pretend, learn, want等。 当不定式短语在某个句子中作宾语时，为保持句子结构平衡，避免句式结构的混乱，常用it作形式宾语，而将真正的宾语放在句尾。此时it仍只起先行引导作用，本身无词义。;Is ________ necessary to comany eercises as A are B is C have D has 3 It’s a good habit ______ breafast every day A had B have C has D to have;No matter how bright a taler you are, there are times when it’s better _____ silent （2012 浙江） A remain B be remaining C having remained D to remain 【答案】D 【解析】it做形式主语，真正的主语是不定式：to remain silent 可归结为句型：it is 形容词 / 名词 to do / that …。当然it也可以做形式宾语，如find / feel it to do / that …。 ;As Jac left his membershie, he wasn't allowed _____ into the sports club 2012 上海 A going B to go C go D gone 【答案】B 【解析】考查非谓语动词。allow sb to do sth, be allowed to do sth, allow doing sth 。句意：杰克因为把会员卡忘在家里了，所以他没有被允许进运动俱乐部。; I have a lot of readings _____ before the end of this term （2010山东） A com表达未来的时间，所以空格处使用动词不定式表示将来，充当readings的定???。答案选B。; His first boo ____ net month is based on a true story 2010 陕西 A onth可知所填非谓语动词表示将来的动作，用动词不定式，其逻辑主语是所修饰的名词boo,不定式与逻辑主语是被动关系，故用不定式的被动式，选B。 ;Pass the sentences on ;不定式还有进行形式to be doing 和完成形式to have done They seem to be reading in the library 动词不定式to be reading表示动作read正在发生 I’m sorry to have said that （动词不定式to have said that表示动作sa