人教新课标高中英语必修二Unit+4+Wildlife+protection+Grammar课件++【KS5U+高考】.pptVIP

Unit 4 Wildlife protection Grammar The Present Progressive Passive Voice The Passive Voice1. The Olympic Games are usually held in big cities. 2. The last Olympic Games were held successfully.3. The next Olympic Games will be held in another country.4. The Olympic Games have been held more than 28 times.被字句1.Translate these sentences and find the similarity 结构： 一般现在时：一般过去时：一般将来时：现在完成时：过去完成时：2.The Tense of the The Passive Voicebe+p.pam/is/are+p.pwas/were+p.pwill/shall be +p.phave/has been+p.phad been+p.p 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 done3. Discover what structure is usedwhat structure is used 4.Summary: 现在进行时的被动语态e.g.1) A new library is being built now.2) Some animals are not being protected well enough.3) Is the bridge being repaired now?1. 构成：be(am/is/are) + being + V-过去分词2. 意义：……现在正在被做一座新图书馆正在被修建。有些动物没有受到很好的保护。现在那座桥在修吗？is being builtare not beingIsbeing repairedprotected 5.现在进行时被动语态的用法：表示说话时正在进行的被动动作e.g. The project is being discussed at the meeting. e.g. A new film is being shown in the theatre. 表示目前这段时间正在进行,但此时此刻不一定在进行的被动动作e.g. A modern school is being built in my hometown. e.g. Several new railways are being built. 注意助动词的运用 现在进行时的被动语态有两个助动词，一是助动词be的相应形式，为现在进行时的助动词；二是助动词being，为被动语态的助动词，这两个助动词缺一不可，并且不可颠倒顺序。即是： be(am/is/are) + being + done 6、需要注意的问题 用现在进行时的被动语态改写下列句子。She is teaching the boy.2. He is watering the tree.3. She is making a new coat．A new coat is being made (by her)．4. We are painting our classroom now.Our classroom is being painted (by us) now.The tree is being watered (by him)．The boy is being taught (by her)．7. Practi