Unit 1 Grammar and Usage ppt课件-（2020）新牛津译林版高中英语高一必修第三册.rar

Unit 1 Nature in the balanceGrammar and usage: ellipsis Know the definition of ellipsis and the rules Understand the meaning of the stentence with ellipsis and know how to complete it Understand what others say with ellipsis and use correctly in daily life Think of some ways to protect environment and do it. Jack: Henry: Jack: Dialogue : Two people are greating each otherHello, how are you?Fine, than you, and you?I am fine, too.A:Remove the words from the passageStep 1 Lead-inQ: What is the difference between these two sentences?The omission from speech or writing of a word or words that are superfluous or able to be understood from contextual cluesWhat is ellipsis?Step 2 Reading 1Jack: Hi, Henry! Did you watch the documentary about environmental protection on TV yesterday?Henry:(1)No, I didnt.Jack: What a pity! I highly recommend it. (2)You can watch it online if you want to. Its about some of the worest environmental promble were facing today. Goble warming, for example, is a major problem caused by greenhouse gases.(3) I felt uncomfortable when watching the documentary.Henry:Does it also talk about solutions to these problem?Jack: Yes, it includes interviews with more than 20 of the worlds leading experts on environment issues. All of them come up with creative ideas on how to solve these prombles. (4)Some call for the application of modern technology.Henry: I wish we could also do something to help. (5)Got any ideas?Jack: What about making a brochure about environmental problems?Henry: (6)Sounds great! Lets get started after lunch.1.What is the documentary about? Its about some of the worst environmental problems we are facing today.Reading 22.How did Jack feel when watching the documentary? He felt uncomfortable when watching the documentary3.What do the leading experts suggest doing to solve the environmental problems? Some call for the application of modern technology, and others a change of lifestyle.Exploring the rulesWrite down the words that have been left out of the sentences below.1. No, I didnt (watch the documentary about environmental protection on TV yesterday).2. You can watch it online if you want to ( ).3. I felt worried when ( ) watching the documentary.4. Some call for the application of modern technology, and others ( ) a change of lifestyle.5. ( ) Got any idea?6. ( ) Sounds great!watch it I wascall forHave youThatReading 3Working out the rulesl We sometimes use ellipisis to avoid (1) (stressing/repeating) one or more words when the meaning is clear.l We can use ellipsis: in short responses; in infinitives; after some conjunctions like if, when and while; in clauses with the same pattern and the same verb; at the beginning of a sentence in (2) (informal/formal) speech.repeatinginformalReading 4lWhat is ellipsis? l Leaving out a word or words from a sentence lWhen can we use ellipsis? l Avoid repeatinglWhats the function of ellipsis?l ConciseSummaryReading 5 简单句中的省略simple不定式中的省略infinitive介词的省略preposition并列句中的省略 compound复合句中的省略 complexStep3 Usage of ellipsis省略ellipsis省略主语(That/It) Sounds like a great idea!省略表语 Are you hungry? No, I am not (hungry).同时省略几个成分Why (do you) not say hello to him?1 . 简 单 句 中 的 省 略A. 省略主谓或主谓一部分B. 省略动宾 Did you finish the homework? No, I didnt finish (the homework)并 列 句省略主语Mr. Smith picked up a coin in the road and (Mr. Smith) handed it to a policeman.省略部分谓语Jack must have been playing football and Mary (must have been) doing her homework.省略谓语及状语I was born in winter in 1988 and Bob (was born in winter) in 1989.省略谓语Some called for the application of the modern technology, and others (called for) a change of lifestyle.2 . 并 列 句 中 的 省 略A. 在限制性定语从句中，作宾语用的关系代词whom，which，that可省略。添加标题A.The film star (whom/who/that)I like most is Bruce Lee.在say, know, think, believe, suppose, consider, find, decide等动词后面所接的一个宾语从句中，连词that可以省略；若后接多个宾语从句，只有第一个连词that可省略，其余的连词that不能省略。There is no reason to suppose (that) shes lying. 若从句的主语与主句的主语相同或者从句的主语是it，且谓语是be时，常同时省略从句的主语和be。I felt worried when (I am) watching the documentary.状语从句的省略3 . 复 合 句 中 的 省 略If (it is) impossible, I will help you with your work.宾语从句的省略定语从句的省略B. 定语从句中的“主语(关系代词) + be”有时可以省略。B. Whats the language (that/which is) spoken in that country?C.关系代词引导非限制性定语从句，即使在从句中作宾语，也不可省略。“介词+关系代词”引导定语从句，关系代词不可省略。This is the man, whom I spoke to yesterday.Im sorry I hurt your feelings. I didnt mean to.At last they did as I told them to. (宾补)A. 主语部分或修饰主语的定语部分有实义动词do的各种形式，作表语的不定式可省略to，也可保留to。4 . 不 定 式 中 的 省 略保留不定式符号to的情况A.不定式作某些动词的宾语时，常见动词如want ， like，love，care，hope，refuse, mean, agree, forget，remember，try，manage等 。B.不定式在句中作某些动词的宾语补足语或主语补足语时，常见动词如ask，advise，persuade, tell, wish, allow, permit, force等 。He would not have married her if he had not been forced to. (主补) 不定式符号可省略的情况B.不定式做介词but，except等的宾语，且前面有实义动词do的各种形式时，须省略不定式符号to 。C.在see, hear, listen to, watch, notice，have，make，let等词后作宾语补足语时，须省略不定式符号to 。The most important thing I should do is (to) give you some advice on how to learn a foreign language. They did nothing but watch TV last night. I dont want to do anything except help you.Yesterday I listened to Mary speak movingly about her love story once again. B.一些常和动名词、形容词一起搭配的介词常省略，而保留其后的 动名词，常见的句型有spend/waste time (in) doing, lose no time (in) doing； have difficult/trouble (in) doing； be busy (in) doing；stop/prevent sb. (from) doing 等。5 . 介 词 的 省 略A.表示行为方式的in在in this way, in the same way, in another way等词组中，可省略介词。He did it (in) this way.She lost no time (in) giving the patient first aidStep4 Applying the rules1.Read the short passage in B2 on Page 7 and put brackets around the words that can be left out. Last weekend, I took part in a forest clean-up activity. It was organized by GreenHope, an organization devoted to protecting forests. At first I didnt want to (1. ), but then I thought, “What if nobody goes?” Our team leader, Joe, took us to a forest outside the city. I was sad to see litter everywhere. There was a “No littering (2 )” sign at the entrance to the forest, but that didnt stop people from throwing their rubbish on the ground. Joe divided us into two groups: one group cleaned up the north side of the forest, and the other (3 ) (4 )Passage1-1take part in the forest clean-up activityis allowed heregroupcleaned upPassage1-2the south side (5 ). We worked for several hours and (6 ) were happy to see (7 ) the forest looked cleaner than (8 ) before. It was absolutely worth our effort! Therell be another clean-up activity in the green belt next Saturday. You can find Joe and sign up if (9 ) willing to help. Everyone who takes part in the activity will receive a medal. Ill join you too if I have time.of the forestthatweit had lookedyoureRead the short passage in B2 on Page 7 and put brackets around the words that can be left out.1. Drive less, and we will have a greener world.2.Describe the pictures of B3 on Page 7 with the help of the example. 2. When building cities, think of Mother Nature.Sample answers:Step5 Consolidation1. Fill in the blanks by using ellipsis. 1. Misunderstandings resulting from lack of social communication, if not_ (handle) properly, may lead to serious problems.2. Id like to invite you to the coming party, which will take place on the second floor of the dining hall as _ (expect)3. You may have finished your homework. If_ , you can go on to play football.handledexpectedso4. Is he coming back tonight? I think_ .5. When _(arrive), send me a telegram.6. Dont come in until _(ask) to.7. You should let us know the result_ .(尽快)8. There are few people nowadays, _(如果有), who remember him.1.Fill in the blanks by using ellipsis.soarrivingaskedas soon as possibleif any1._, I will help you with your work.A.If I am possible B. If it possible C. If possible D. Possible2.How many poor counties will there be in our province by 2025?There will be only a few, if _.A.much B. some C. any D. many3.Why didnt you come to Mikes birthday party yesterday ?Well, I_, but I forgot it.A.should B. must C. should have D. must have2.Choose the correct answer.1.Whenever it is possible, he will come to my help._.2.Dont go till I tell you to go._.3.John worked hard but his brother did not work hard._.4.When you are crossing the street, you should be careful._.3.Write down the sentence with ellipsis.1. Whenever possible, he will come to my help.2. Dont go till I tell you to.3. John worked hard but his brother didnt4. When crossing the street,you should be careful.1.他不再喜欢流行音乐了，不过他以前喜欢。_.2.虽然他们已经很累了，但仍然继续坚持工作。_.3.我一边看杂志，一边等。_.4.Translate the sentence below with ellipsis.1. He is no longer fond of pop music, but he used to be.2.Tough very tired, they went on working.3.While waiting, I was reading some magazines.HomeworkHomeworkHomeworkHomeworkUse the elllipsis in your speaking Be familiar with the rules of ellipsisRealize what the words or phrases are left out in the sentences.Bye-byeBye-bye