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初中英语语法被动语态讲解 课件(共29张)
2,各类动词被动语态结构 3,不使用被动语态情况 结构:be +动词的过去分词 意义:强调主语是动作的承受者 The glass was broken by the boy. 变化: 示例 The boy broke the glass. The glass was broken by the boy. 从主动语态变为被动语态 1.主语 2.谓语 3.宾语 介词by +宾语 加be,并变为过去分词 主语 1.They make shoes in that factory. 主语+及物动词+宾语 Shoes are made (by them) in that factory. 一般现在时: S(主语)+am/is /are +过去分词 2. They bought ten computers last term. Ten computers were bought (by them) last term. 一般过去时:S+was/were +过去分词 Tom will clean the room tomorrow. 主 谓 宾(受动者) The room will be cleaned by Tom tomorrow. 一般将来时;will be+动词的过去分词 5. Some workers are painting the rooms now. The rooms are being painted by some workers now. 现在进行时: S+ am/is/are + being +过去分词 7.I was doing my homework at 8:00 last night. My homework was being done (by me) at 8:00 last night. 过去进行时: S+ was/were+being+过去分词 6.We have made twenty more keys. Twenty more keys have been made by us. 现在完成时: S+ have/has + been+过去分词 二、常见语态转换 1.Lucy bought some fruit. Some fruit _____ ______ _____ Lucy. 2.Uncle Wang waters the flowers every day. The flowers ___ _______ ____ Uncle Wang every day. 3.Did they build the bridge in 1998? ____ the bridge _____ in 1998? 4.When did Lu Xun write these books? When _____these books _______ ____ Lu Xun? 5.The farmers don’t grow apples on the farm. Apples _____ _____ on the farm. 6.They didn’t clean the classroom yesterday. The classroom _______ ________ yesterday. was bought by are watered by Was built were written by aren’t grown wasn’t cleaned 小结: 1、被动语态的转换,确定_____ 是关键, _______永不变。 2、Be的时态由_______________确定; be的单/复数由____________确定。 3、问句提前__________; 否定________后加not. be 形 过去分词 主动时态 被动主语 be动词 be (二)1,情态动词的被动语态。 1.You can do the work all by yourself. The work _____ _____ _____ all by yourself. 2.We must plant more trees. More trees _____ _____ ________. 3.Can we put our bikes here?
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