Goodbye The Great Wall was  built  by Chinese people. English  is spoken  by the most people in the world.  The light was invented by Thomas Edison . The city is known for its mist .      英语动词有两种语态：                 主动语态 (the Active Voice)                 被动语态(the Passive Voice) What is it? A. 主动语态表示主语是动作的执行者。 B. 被动语态表示主语是动作的承受者。 We planted the tree. The tree was planted by us. 一般现在时： am / is / are +done     一般过去时： was / were+ done    当句中含有情态动词时，句子结构为 can / must / +be done The bike is made in our factory. 这自行车是我们厂生产的。 This book was written in 1969. 这本书是1969年写成的。 The baby must be looked after well.   这孩子必须被好好照顾。 主变被解题步骤: 1. 找宾语 ----即动作的承受者 They  make   shoes in  that factory.  Shoes 2. 判断宾语的单复数 ----即be动词的单复数. are were 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  made 5. 修改原句的主语 ----即by+ 主语.  by them. The classroom____________             by us yesterday. 昨天教室被我们打扫了。  was cleaned We cleaned the classroom yesterday.昨天我们打扫了教室。 一般现在时的被动语态： am/are/is + 过去分词  People play football all over the world.  2. Mr. Green teaches us this term.  Football                     all over the world                      . We                                              this term. is played by people are taught (by Mr. Green) 一般过去时的被动语态： was/were + 过去分词 3. People built the Great Wall long ago.  4. Two years ago we used the machinesto make shoes for children. The Great Wall                                                               long ago. Two years ago those machines                                                 shoes  for children.                                                        was built (by people)   were used (by us) to make  情态动词的被动语态： must/have to/can等 + be + 过去分词 5. You must throw the broken glass away at once.  6. We can finish our homework on time. The broken glass                                                                           at once. Our homework  ___________________  on time.                                                         must be thrown away (by you)   can be finished (by us) 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     used are cleaned (变被动语态） 七嘴八舌 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 3. We found the ticket on the floor . 5. His doctor made him have only two meals a day. He ______ _______ _______ _______ only two meals a day. 6.Now people can  use computers  to help them. Now computers _______ ______ ______ to help them.  was      made         to          have  can        be     used 7.The teacher asked Tom to turn on the computer. Tom _______ ________ to turn on the computer. 8.In this factory women do most of  the work.  Most of the work _______ ________ by women in this factory.  was     asked  is           done 9.He can mend the bike in two days. The bike ______ ______ _______ in two days. 10.You must take this medicine three times a day. This medicine _______ ___ ________ three times a day.  can        be     mended  must    be  taken 11.The students in this school study German. German _______ ________ by the students in this school.   is            studied   一些特殊结构的被动结构:   （1）感觉动词(hear, see等)改被动语态 （2）使役动词(let, make等)改被动语态  make, see, hear, watch 等，后接 不带“to”不定式时，变被动 语态时要还原“to”  。如：            I saw him leave the house.       →He was seen to leave the house.  思  考  2： I usually hear her sing English songs in the morning. She is usually heard                                    English songs in  the morning.  to sing       He makes her horse work all day.       Her horse is made                  all day.        My father let me go out for a   picnic.       I                            out for a picnic.  to work  was let to go   口诀： 这些动词真奇怪，主动句中to 离开，被动句中to回 来。（hear, let，have, make, see, watch…) 中考被动语态考题 1.The  river  smells  terrible. People  must  __ dirty
主动语态和被动语态课件.ppt