Unit 2 重点句型＆语法精讲课件- 高一上学期英语人教版（2019）必修第二册.pptx
Unit 2 Reading 重点句型精讲,1. Watching them move slowly across the green grass, Im struck by their beauty. 看着它们慢慢地穿过绿色的草地， 我被它们的美深深地打动了。,例：1.Walking in the street, I met a friend of mine.=When I was walking in the street, I met a friend of mine.,2.Failing the exam, he felt upset.=Because he failed the exam, he felt upset.3.Working hard, you will succeed.=If you work hard, you will succeed.4.He sat at the table, reading a magazine.=He sat at the table and read a magazine.,2. The government, however, does not intend to stop the protection programmes, since the threats to the Tibetan antelope have not yet disappeared. 然而， 政府并没有打算停止这些保护项目，因为对藏羚羊的威胁依然存在。,例：1. You should have a talk with Michael about how to learn English better since he is really an expert.,2. Since I will be on holiday with my family next weekend, I shall not be able to go shopping with you.,because, as, now that也可以用来引导原因状语从句,例如本文中：Their habitat were becoming smaller as new roads and railways were built.,3. Only when we learn to exist in harmony with nature can we stop being a threat to wildlife and to our planet. 只有学会和大自然和谐共处， 我们才不会成为野生生物和地球的威胁。,She realized her mistake only then.Only then did she realize her mistake.We can learn English well only by practicing more.Only by practicing more can we learn English well.He was able to get back home only when the project was completed.Only when the project was completed was he able to get back home.,单句填空：1.Not _(receive) a reply, he decided to write again.2._everyone is here, lets begin out meeting.3._ in this way can you make great progress.,Since,receiving,Only,Unit 2现在进行时的被动语态,1.什么是现在进行时的被动语态？,The students are cleaning the classroom now.The classroom is being cleaned by the students now.,现在进行时,active,passive,表示说话时正在进行的被动性的动作，主语是动作的承受者。,2.现在进行时的被动语态的构成,现在进行时,被动语态,am/is/are being done,现在进行时的被动语态,be done,am/is/are+doing,肯定形式： Another bridge is being built over the river.否定形式：The engineer is not being treated fairly.一般疑问句:Is the life of pandas being studied by the students?特殊疑问句：Where is he new science lab being built?,3.现在进行时的被动语态的用法,1.表示此时此刻正在进行的被动动作。My sister is now being interviewed.2.表示现阶段正在进行的被动动作。Many interesting experiments are being carried out these days.,3.表示反复进行的被动动作。I feel very surprised that the window of our classroom is frequently being broken.,常和awalys、frequently、constantly等连用，表示赞扬或厌恶的感情色彩,注意：被动语态中的短语动词要视为一个整体，不能省略介词或副词。They are taking good care of the patient.The patient is being taken good care of.,单句填空：A new cinema _(build) here. They hope to finish it next month.I dont know what time it is now. My watch _ (repair).With more forests being destroyed, huge quantities of good earth _(wash) away each year.,is being built,is being repaired,are being washed,Bye-bye!,
