主动语态和被动语态.pptxVIP

第1页/共33页主动语态和被动语态第2页/共33页English is spoken by the most people in the world.Englishis spoken people第3页/共33页 The Great wallbuiltThe Great Wall was built by Chinese people.第4页/共33页 treesplantedThe trees were planted by students.第5页/共33页What is it? 英语动词有两种语态： 主动语态 (the Active Voice) 被动语态(the Passive Voice)A. 主动语态表示主语是动作的执行者。We planted the tree.B. 被动语态表示主语是动作的承受者。The tree was planted by us.被动语态结构：be + 过去分词(P.P) + (by …)第6页/共33页主变被解题步骤:1. 找宾语 ----即动作的承受者2. 判断宾语的单复数 ----即be动词的单复数.3. 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5. 修改原句的主语 ----即by+ 主语.We cleaned the classroom yesterday.They make shoes in that factory.arewereThe classroomwas cleanedby us made Shoes by them.yesterday.第7页/共33页一般现在时的被动语态：am/are/is + 过去分词+(by…)1. People play football all over the world.2. Mr. Green teaches us this term.Football all over the world .is playedby peopleare taught (by Mr. Green)We this term.第8页/共33页一般过去时的被动语态：was/were + 过去分词+(by…)3. People built the Great Wall long ago.4. My classmates planted many flowers yesterday.The Great Wall___________________ long ago.was built (by people)Many flowers ___________________________yesterday. were planted (by my classmates)第9页/共33页情态动词的被动语态：must/should/can等 + be + 过去分词5. You must throw the broken glass away at once.The broken glass ____________________________at once.must be thrown away(by you)6. We can finish our homework on time.Our homework _____________________on time. can be finished (by us)第10页/共33页Lets practice第11页/共33页1.People use knives for cutting things. Knives_____ ______ for cutting things.2. The students in this school study German.German _______ ________ by the students in this school. are used is studied第12页/共33页3.I found the ticket on the floor. The ticket ______ ______ on the floor.4.I told her to return the book in time.She ______ _______ to return the book in time.was found was told第13页/共33页5.He can mend the bike in two days.The bike ______ ______ _______ in two days.6.You must take this medici