人教新课标必修2 Unit 4 Wildlife protection Learning about language 课件（19张PPT）

课件19张PPT。Present Progressive Passive Voice现在进行时的被动语态Look at the pictures and try to describe themThey are planting trees.plantThe man is cutting the tree.cutHe is repairing the car.repairThe girl is feeding the antelope.feedRead and find阅读第26页的课文，找出这个句子。We are being killed for the wool beneath our stomach. 为了取得我们肚皮底下的羊毛，我们正在被屠杀。 Our fur is being used to make sweaters for people like you.我们的毛被用来为像你一样的人们制作毛衣。 (line 10)I wonder what is being done to help you. 我不知道为了帮助你们正在采取什么措施。 (line 11)So good things are being done here to save local wildlife.因此，为了拯救当地的野生动植物，他们也在做一些好事。(line 25) 注意观察斜体部分的动词时态，并找出更多的使用这个时态的句子。现在进行时主动语态：The teacher is telling a story. 结构： is/are doing 被动语态：A story is being told (by the teacher). 结构： is/are being doneThey are planting trees.The trees are being planted.主动被动plantThe man is cutting the tree.cutThe tree is being cut (by the man). 主动被动The car is being repaired (by the man).feedThe antelope is being fed (by the girl).进行时态的被动语态的不同形式Another bridge is being built over the Changjiang River. The engineer is not being treated fairly. 肯定句：主语 + be动词 + being + 及物动词的过去分词否定句：主语+ be动词+ not +being +及物动词过去分词Is the island being explored by the scientists? Yes, it is. Where is the new lab being built? 一般疑问句：be动词 + 主语 + being + 及物动词的过去分词特殊疑问句：特殊疑问词 + be动词+ 主语 + being +及物动词的过去分词判断下面两个句子的正误 She is taking care of the baby. →The baby is being taken care. ( ) →The baby is being taken care of. ( )√×短语动词（如：take care of, look over, put on, set down…)变为被动语态时，不能遗漏介词或副词。The students are paying attention to the teacher.The teacher is being paid attention to.被动语态巩固练习1. 将下列句子改写成现在进行时的被动语态。 1）They are building a computer centre for the students. 2) The parents are taking good care of their baby.A computer centre is being built for the students.The baby is being taken good care of.3). Some scientists are studying human cloning. 4). They are discussing the question at the meeting.Human cloning is being studied.The question is being discussed at the meeting.5). The students are putting on a poster in the classroom. 2.用括号内做给词的适当形式填空。 6）A new railway_____ (build). They hope to finish it next month. 7) I can’t lend you my car. It is _____ (repair) at the garage.A poster is being put on in the classroom. is being builtbeing repaired8) - _____ (computer, use) now? -Yes, Jim is using it. 9) I can’t use my office at the moment. It _____(paint).Is the computer being used is being painted ... ...