unit4语法.ppt

Unit 4 ---Wildlife ProtectionPeriod 4: GrammarPresent Progressive Passive Voice现在进行时的被动语态现在进行时的被动语态Complete the sentences according to the text.1. We ________________for the wool beneath our stomachs. (Line 9)2. Our fur ______________to make sweaters for people like you. (L10)3. I wonder what ______________to help you. (L12)4. So good things ________________here to save local wildlife. (L25)are being killedis being usedis being doneare being done1. Discover what structure is usedwhat structure is usedSummary: 现在进行时的现在进行时的被动语态被动语态e.g.1. A new library is being built now.2. Some animals are not being protected well enough.1.￿1.￿构成构成： ：am/is/aream/is/are￿ ￿(not)(not)￿+￿￿+￿beingbeing￿+￿￿+￿V-V-过去分去分词2.￿2.￿意意义： ：主语和谓语动词之间是被动关系，而且动作主语和谓语动词之间是被动关系，而且动作正在进行正在进行. .一座新图书馆正在被修建。

一座新图书馆正在被修建有些动物没有受到很好的保护有些动物没有受到很好的保护is being builtare not beingprotected3.用法：用法： 表示说话人表示说话人说话时说话时或或现阶段现阶段正在进正在进行的动作，经常和时间副词行的动作，经常和时间副词now(现在现在), right now (现在现在, 此刻此刻), at present (现在现在,目前目前), at this moment(此刻此刻)连连用Summary: 现在进行时的现在进行时的被动语态被动语态--Can I use ___________________ ?-- Sorry, but _____________________________________.1. telephone– repair—some workers2. bike --- repair ---my father3. computer--- use--Tom4. TV----watch --my family your telephone it is being repaired bysome workers2. Practice I：现在进行时的现在进行时的被动语态被动语态your bikemy fatheryour computerit is being used by Tomyour TVit is being watched bymy family2. Practice II-- Where ___________________ ?-- Oh. _________________________________.1. the children– punish — their aunt2. Kate --- praise --- her manager3. my car--- clean -- your daughter4. the flowers----water --my mother are the childrenThey are being punished by their auntis KateShe is being praised by her manageris my carIt is being cleaned by your daughterare the flowersThey are being watered by my mother3. Prepare for writing some sentencesMary: Peter, look at these pictures. What is happening?Peter: Oh, my god. ___________________.①① trees/ cut down / villagers②② rivers/ pollute / factories③③ wild animals/ kill / people④④ people/ punish / actions Trees are being cut down by the villagers.Rivers are being polluted by some factories.Wild animals are being killed by people.People are being punished by their actions.①Trees are being cut down by the villagers. ② Rivers are being polluted by some factories. ③ Wild animals are being killed by people.④ People are being punished by their actions.Prepare for writing some sentencesReference Prepare for writing some sentencesMary: Peter, look at these pictures. What is happening?Peter: Well. __________________________.①① trees/ plant / people②② rivers/ clean / workers③③ wild animals/ protect / peopleWWFMore trees are being planted by peopleRivers are being cleaned by some workers.Wild animals are being protected by some people.② Rivers are being cleaned by some workers.① More trees are being planted by people.③ Wild animals are being protected by somepeople.Prepare for writing some sentencesReference 一、句型转换：请把下列句子改为被动句。

一、句型转换：请把下列句子改为被动句Your request to have a new MP3 is being considered. 1. Your request to have a new MP3 is under consideration.2. Whether you will be admitted to thecompany is now under discussion.Whether you will be admitted to the company is now being discussed.随堂检测随堂检测be + under / in + n. 代替进行时代替进行时 被动语态被动语态e.g. The city is under attack at the moment. The city is being attacked at the moment. 目前这个城市正遭到进攻目前这个城市正遭到进攻。

e.g. The bridge is under repair. The bridge is being repaired. 桥梁正在修理中桥梁正在修理中e.g. The problem is under discussion at the meeting. The problem is being discussed at the meeting. 这个问题正在会上讨论这个问题正在会上讨论 e.g. The telephone is in use now. The telephone is being used now. 正在使用中正在使用中。