Unit 13 Section A Grammar Focus-4c 课件2023-2024学年人教版九年级英语全册

Unit 13 We're trying to save the earth! Section A 3 Grammar Focus-4c L Revision 1.Check if you know these phrases. 1.不同种类的污染 different kinds of pollution 2.河底 the bottom of the river 3.把垃圾扔到河里 throw rubbish into the river 4.在...中起作用 play a part in 5.在中国南部 in southern China 6.对..有害 be harmful to 7.在.顶部 at the top of... 8.海洋生态系统 the ocean's ecosystem Learning objective To review the use of The Present Continuous Tense,passive voice, Present Perfect and Modal Verbs. Grammar Focus Pay attention to the sentences. 1.We're trying to save the earth. 2.The river used to be so clean. 3.The air is badly polluted. 4.No scientific studies have shown that shark fins are good for health. 5.We should help save the sharks. They are playing basketball. 正在发生 现在进行时 Nancy is working on a new book about stories in schools. 目前一段时间内正在进行 Whyar国you lways coming late for class? 含说话者的强烈情感 现在进行时：Present progressive 定义：表示说话时（瞬间）正在进行的动作， 也表示目前或现阶段正在进行的动 作。或说话者的强烈情感。 结构：be(am/is/are)+v.-ing 标志词：Look,Listen,.noW,right now.… e.g.Look!The boy is crying. 中考链接 1.Paul,I'm busy cooking.Can you give me a hand? -Just a minute.I A my e-mail. A.am checking B.will check C.have checked D.was checking 2.Don't take the dictionary away,I c it. A.use B.used C.am using D.have used used to dobe used to doing used to do sth.表示过去常常做某事，而 现在往往不做了，后接动词原形。 be used to doing sth.表示习惯于做某事 e.g.I used to get up at six o'clock. Joe is used to drinking a cup of coffee every morning.