高中英语：Unit7 shopping experiences-grammar素材（2）（上海新世纪版S2A）VIP专享

Unit7 Shopping Experiences过去分词作状语和定语一．过去分词作状语：1.复习现在分词作状语（第一课）：2．过去分词作状语1)造句:( 含时间 , 原因 , 条件 , 让步 , 结果 的 被动语态状语从句) （1）When he was taken into the office, he found no one was in.（2）Because he was hurt on the leg,he left the school earlier than usual.（3）If he is allowed,he will enter the army.（4）Althogh he ia said to be weak, he saved a girl in the river.（5）The bus was held up by the storm,so it was delayed.2)将上题由状语从句简化成过去分词作状语（1）(When)Taken into the office, he found no one was in.（2）Hurt on the leg,he left the school earlier than usual.（3）(If) Allowed,he will enter the army.（4）(Althogh) Said to be weak, he saved a girl in the river.（5）The bus was held up by the storm,thus delayed.3）被动状语从句简化成过去分词作状语的注意点:（1）区分被动形式分词表示正在进行和不正在进行的情况：① Once operated on, he is often frightened.②(While,When)Being operated on now,he feels frightened.（2）前后两主语的一致性（如上例句） 4）从被动状语从句简化成过去分词作状语时是否一定要省去连词? 加以归纳：（1）(When)Taken into the office, he found no one was in.＝He found no one was in when taken into the office.(表时间：连词句首可省可不省，句中不省，含 when,while,after,before 等) （2）(While,When)Being operated on now,he feels frightened.= He feels frightened,while/when being operated on now. (表时间：连词句首可省可不省，句中不省，含 when,while,after,before 等)用心 爱心 专心（3）Hurt on the leg,he left the school earlier than usual.（表原因的分词状语不用连词，分词状语不可后移）（4） (If) Allowed , he will enter the army.＝He will enter the army if allowed.(表条件：连词句首可省可不省，句中不省)（5）(Althogh) Said to be weak, he saved a girl in the river.= He saved a girl in the river although...