Unit 7 Section Ⅳ Grammar-（教师WORD） 2021-2022学年高中英语【精讲精练】北师大版选择性必修第三册 新课标辅导

Grammar 一、过去分词作状语的用法 (一)动词过去分词形式可用作状语，表示时间、原因、条件、让步、伴随等。这类状语可放在句子前面、后面或句中，并可拓展为一个状语从句或并列分句。 1．表示时间，相当于一个时间状语从句，有时过去分词前可加连词 when或while来强调时间概念。 When you are given a medical examination，you should keep calm. ＝When given a medical examination，you should keep calm. ＝Given a medical examination，you should keep calm. 体检时你要保持镇静。 [对点集训1] 同义转换 ①When he was told that his mother was ill，Li Lei hurried home quickly. ＝When told that his mother was ill，Li Lei hurried home quickly. ＝Told that his mother was ill，Li Lei hurried home quickly. ② When he was asked what had happened，he lowered his head. ＝When asked what had happened，he lowered his head. ＝Asked what had happened，he lowered his head. 2．表示原因，相当于一个由as，because等引导的原因状语从句。 Greatly inspired by the teacher's words，he made up his mind to work at English even harder. ＝Because he was greatly inspired by the teacher's words，he made up his mind to work at English even harder. 在老师的鼓励下，他决定更加努力地学习英语。 [对点集训2] 同义转换 ①Because the teacher was satisfied with what he did，the teacher praised him in class. ＝Satisfied with what he did，the teacher praised him in class. ②Because he was a bit frightened，he went back. ＝A bit frightened，he went back. ③Lost/Absorbed in deep thought，he didn't hear the sound. ＝As he was lost/absorbed in deep thought，he didn't hear the sound. 3．表示条件，相当于一个条件状语从句，过去分词前可用 unless，if等词。 If I am given a few more minutes，I'll finish it. ＝Given a few more minutes，I'll finish it. 再给几分钟我就可以完成了。 Compared with you，I still have a long way to go. 跟你比较起来，我还差得很远呢。 [对点集训3] 单句语法填空 ①Planted(plant) in rich soil，these seeds can grow fast. ②Ordinary soap，used(use) correctly，can deal with bacteria effectively. 同义转换 ③If the matter is seen in this way，the matter isn't so serious. ＝Seen in this way，the matter isn't so serious. 4．表示方式或伴随情况。 动词的­ed形式作伴随状语，表示行为方式、伴随情况或补充说明，常置于句末，可以扩展成一个状语从句或并列分句。The old man went into the room，(and he was)supported by his wife. 在妻子的搀扶下，老人走进房间。 [对点集训4] 完成句子 ①Surrounded by his students，the professor sat there cheerfull