1、Unit 3 Fascinating Parks 动词的动词的-ing-ing形式作主语形式作主语What can the-ing form be used for?1.The performance is _(amaze).2.The _(sleep)baby is my daughter.3.I saw you _(play)smartphone just now.4._(listen)to the music,I fell asleep.amazingsleepingplayingListeningpredicative 表语attribute 定语object complement 宾
2、补adverbial 状语The-ing Form as theExamples It was great fun enjoying the relaxing time!You look amazing today.She heard someone knocking at the door.Predicative表表Attributive定定object complement宾补宾补The-ing Form as theExamples She sat at the desk reading a newspaper.Going to bed early and getting up earl
3、y is considered to be a good habit.adverbial状状subject主主Discovering Useful StructuresDiscovering Useful Structures：The v-ing form as the subjectsThe v-ing form as the subjects动词的-ing形式具有动词的特征，同时又具有名词、形容词和副词的特征，因此它可以在句中作主语、表语、定语、宾语、宾语补足语和状语。-ing 形式 同样有时态和语态的变化，以do为例：一般式 完成式主动形式 doing 主动形式 having done被
4、动形式 being done 被动形式 having been done动词动词-ing形式的否定形式是在其前加形式的否定形式是在其前加notFill in the blanks Complete the passage with the correct forms of words in the box.The Northeast Tiger and Leolarp National Park was _ Jilin and Heilongjiang,with _ stretching all the way to the border and joining with Russias wi
5、ldlife reserves.This _ new park is nearby four times larger than the old wildlife park protecting Siberian tighers in Northeast China.Over the years,increased development in the area affacted the tigers habitat.It was thought that by 1988 there were six to nine wild Siberian tighers living in the _
6、region.However,a _ on development put in place in 2015 resulted in a _ population increase ofboundary visible remote vast on the move ban set up set up boundaryvastban remotevisiblethe species,and now the area is thought to have about 35 tigers and 70 leolarps.The problem was that the old park was t
7、oo small to support further population increase.Alaways _,Siberian tighers and leolarps need large areas to hunt for food.This large park,with a connection to Russias wildlife reserves across the border,should give these species the natural space they need to live in.Notes:1.wildlife reserves-野生生物保护
8、区;2.habitat-老虎的栖息地;3.species-物种；种类;4.leolarp-豹；美洲豹on the move Grammar learning Verb-ing form as a noun Identify what these verb-ing forms function as:1.Talking about problems often helps us find the solutions.2.Thank you for helping me.3.He often pracitces playing the violin at the weekend.4.Getting
9、 here is difficult.5.Being such a natural and wild place makes me relaxed.the subjectthe subjectafter prepositionafter preposition the subjectthe subjectthe object the object the subjectthe subjectSentence pattern transformationRewrite the following sentences using the v-ing form as the subject:1.It
10、 is challenging and rewarding to study abroad.2.It would hardly be possible to go on a hiking ride in winter due to the extreme cold.3.Honestly,it can be both exciting and terrifying to explore a vast unknown land.4.It is good to adopt a positive attitude even though things are difficult.Studying ab
11、road is challenging and rewarding.Going on a hiking ride in winter would be hardly be possible due to the extreme cold.Honestly,exploring a vast unknown land can be exciting and terrifying.Adopting a positive attitude is good even though thigs are difficult.Fill in each blank using the-ing form of a
12、 verb from the box and state its function.One word will be used twice.Xixi National Wetland Park,_ 10 square kilometres in western Hangzhou,is the first national wetland park in China._ city life,nature,and wetlands makes the park a popular destination both for tourists and local residents.At Xixi,_
13、 a boat tour,_ along paths,and _ local customs and traditions of the villages in this park are at the top of the list of peoples favourite activities.With trees,bushes,and colourful flowers _ along the riversides,the park shows different sides of beauty in different seasons.In order to better develo
14、p as well as preserve this place,_ human impact on Xixi Wetland was considered by the park designers.All the new buildings were designed in a traditional way to fit into the natural environment.This green,watery world is home to many birds and fishes.With trees _ in the shallows,the wetland is a nat
15、ural system for providing clean water and producing oxygen,which makes it the“green lungs of Hangzhou”.P29 3combine cover grow take limit walk experiencecoveringCombiningtakingwalkingexperiencinggrowinglimitinggrowingattributesubjectsubjectsubjectsubjectO-CsubjectO-CRewrite each of the following sen
16、tences using the-ing form as the subject.P29 2EXAMPLEIt is challenging yet really fascinating to hike through the mountains in the pathless Sarek.Hiking through the mountains in the pathless Sarek is challenging yet really fascinating.1.It is both challenging and rewarding to study abroad.2.It would
17、 hardly be possible to go on a hiking tour in Sarek in winter due to the extreme cold.3.Honestly,it can be both exciting and terrifying to explore a vast unknown land.4.It is good to adopt a positive attitude,even when things are difficult.5.It is strongly advised to hire local guides,because they c
18、an offer accurate knowledge of Sarek culture and history.Studying abroad is both challenging and rewarding.Going on a hiking tour in Sarek in winter would hardly be possible due to the extreme cold.Honestly,exploring a vast unknown land can be both exciting and terrifying.Adopting a positive attitud
19、e is good,even when things are difficult.Hiring local guides is strongly advised,because they can offer accurate knowledge of Sarek culture and history.How does the sentence focus change?The use of-ing forms as subjects puts the action first,making the sentences seem more dynamic.用用it作形式主语前置时作形式主语前置
20、时，句子，句子侧重于表语侧重于表语部分部分，强调强调行为的行为的特征特征、状态状态或或给人的给人的感受感受。动词动词-ing形式作主语前置时形式作主语前置时，句子，句子侧重于侧重于主语部分主语部分，强调强调行为本身的行为本身的具体内容具体内容。Practice 1._(see)is believing.2.It is a waste of time _(argue)about it.3._(cross)the Atlantic by plane takes only a few hours.4._(talk)is easier than doing.5.Its no use _(cry)ove
21、r spilt milk6.Its no good _(worry)about it now.SeeingarguingCrossingTalking cryingworrying1.It is challenging and rewarding to study abroad.2.It would hardly be possible to go on a hiking ride in winter due to the extreme cold.3.Honestly,it can be both exciting and terrifying to explore a vast unkno
22、wn land.4.It is good to adopt a positive attitude even though things are difficult.Studying abroad is challenging and rewarding.Going on a hiking ride in winter would be hardly be possible due to the extreme cold.Honestly,exploring a vast unknown land can be exciting and terrifying.Adopting a positi
23、ve attitude is good even though things are difficult.改写下列句子，以改写下列句子，以v-ingv-ing形式作为新形式作为新句子主语。句子主语。1.It is good to adopt a positive attitude even though things are difficult.分析 It 为句子形式主语，真正主语“to adopt a positive attitude”不定式后置，连词“even though”，意为“即使”，引导让步状语从句。翻译 即使事情很困难，也要采取积极的态度。知识延伸知识延伸2.Combining
24、 city life,nature and wetland makes the park a popular destination both for foreign visitors and local residents.分析 本句基本结构为“主语+谓语+宾语+宾语补足语”。动名词短语“Combining.wetland”充当句子的主语;谓语动词make意为“使.成为.”;宾语“the park”;宾语补足语“a popular destination.”。翻译 将城市生活、自然和湿地融为一体，使该公园成为外国游客和当地居民的热门目的地。Language appreciation 3.With trees,bushes,and colourful flowers growing along the riversides,the park shows different sides of beauty in different seasons.句式分析“with.riversides”该结构在句中作状语，采用“介词+宾语+宾语补足语”复合结构，动词与前面的名词构成主动关系，故使用现在分词作宾语补足语。尝试翻译 树木、灌木和五颜六色的花朵沿着河岸生长，公园在不同的季节展示不同的美丽。
