中考英语二轮专题复习课件之被动语态

课件51张PPT。被动语态一：英语的谓语动词有两种语态We speak English.主语谓语宾语English is spoken by us.主语谓语宾语宾变主,主变宾,前加by 动变被,看清be, 结构分别be+ pp主动语态被动语态主变被解题步骤:1. 找宾语 --即动作的承受者They make shoes in that factory. Shoes2. 判断宾语的单复数 --即be动词的单复数.are were3. 判断动词的时态 --即be动词的时态.4. 修改谓语的时态 --即原句动词改为过去分词 made5. 修改原句的主语 --即by+ 主语/ 宾语. by them.? Tom broke the window.?? ?? The window was broken by Tom. ? Tom broke the windows.? ??? The windows were broken by Tom. ? He broke the windows.?? ?? The windows were broken by him. 一般现在时： am / is / are done 一般过去时： was / were done 现在进行时： am / is / are being done 过去进行时： was / were being done 现在完成时： have / has been done 过去完成时： had been done 一般将来时： shall / will be done ; be going to be done 当句中含有情态动词时，句子结构为 can / must / have to…be done1.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 +过去分词变为被动语态He rides the motorbike to his factory every day.The motorbike is ridden to his factory every day.We call the snowman Mr Strong.The snowman is called Mr Strong.We usually hear him play in the next room.He is usually heard to play in the next room.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He bought his friend some fruits yesterday.His friend was bought some fruits yesterday.Some fruits were bought for his friend yesterday.4．Aby can take good care of Tina ．Tina can be taken good care of by Aby. 情态动词： S+ can/may/must/should + be+过去分词He can carry the basket easily.The basket can be easily carried by him.They can sing some beautiful songs.Some beautiful songs can be sung by them.“We must put them in the fridge.”The dogs thought . “They must be put in the fridge.”The dogs thought.3.They will finish the work in ten days. The work will be finished (by them) in ten days. 一般将来时： S+ will+be+过去分词They are going to have an evening party tomorrow.An evening party is going to be had tomorrow. 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They are holding a sports meeting now.A sports meeting is being held (by them) now.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Workers have built the house since two years ago.The house has been built since two years ago.We had received many letters by the end of last week.Many letters had been received by the end of last week.They would have a party the next day.A party would be had (by them) the next day.1.People use knives for cutting things. Knives _____ _____ for cutting things. 2.The students clean the windows of their classroom twice a month. The windows of their classroom_____ _____ twice a month. are usedarecl ... ...