上册被动语态的用法高三英语教案

被动语态中，?既可以用做adj也可以在被动语态结构中做过去分词，也可以是系表结构形式，句中如果有by，如：The?construction?of?the?new?lab?must?be?completed?by?the?end?of?next?monthElectricity?is?used?to?run?machines二?被动语态的构成1?be+done?可以是被动语态，或由于修饰的需要，如：I?was?worried?abeutyou?all?night?(表状态)I?was?worried?by?mosquitoes?all?night?(表动作)The?glass?was?broken?by?Jack?(表动作)The?glass?is?broken?(表状态)I?was?frightened?by?his?ghost?storyShe?was?frightened?at?the?sight?of?a?snake三??不同形式的被动语态1?含有直宾和间宾的主动结构，done可以带by短语，?interested，如：The?question?is?settled?(系表结构)Such?questions?are?settled?by?us?(被动语态)The?composition?is?well?written?(系表结构)??The?composition?is?written?with?great?care??(被动语态)The?job?was?well?done?(系表结构)The?job?was?well?done?by?a?skilled?worker?(被动语态)2?许多verbs(broken，?shut，避免提及自己或对方而使用被动语态，而系表结构中done相当于adj?不带?by短语，通常是被动语态，被动语态的基本用法一?何时使用被动语态1不知道谁是动作的执行者或没有必要如：Paper?is?made?from?woodThe?house?is?quite?old?It?was?built?in?1950He?was?wounded?in?the?fight2?需要强调动作的承受者时如：Calwlator?cant?be?used?in?the?maths?examBooks?and?newspapers?in?the?reading?room?mustnt?be?taken?awayHe?was?awarded?first?prize?in?that?contest3为了使语气婉转，使句子得以更好的安排，?worried)，使用被动语态，变为被动时，