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1、Learnimg aims:1.掌握V-ing形式作状语的基本用法。1).V-ing形式作状语可转化为相应的状语从句；2).连词介词+V-ing的结构。2.掌握V-ing形式的否定形式，被动形式及完成形式。3.了解V-ing形式的独立主格结构。第1页/共23页V-ing as the Adverbial第2页/共23页一、观察下面的句子，找出共同点。一、观察下面的句子，找出共同点。1.Walking along the street,he met his old friend.1.Walking along the street,he met his old friend.2.Being il
2、l,he didnt go to school.2.Being ill,he didnt go to school.3.Working hard,you will succeed.3.Working hard,you will succeed.4.Being poor,the old man was happy.4.Being poor,the old man was happy.5.The boy fell off his bike,breaking his right arm.5.The boy fell off his bike,breaking his right arm.6.He s
3、at at the table,reading a magazine.6.He sat at the table,reading a ma,无连词。无连词。2.V-ing 与其逻辑主语与其逻辑主语之间表之间表主动关系主动关系3.V-ing 做状语，它的做状语，它的逻辑主语须和主句的主逻辑主语须和主句的主语保持一致。语保持一致。Summary 1第3页/共23页Summary 2：动词的动词的-ing形式作状语形式作状语动词的动词的-ing形式作状语时形式作状语时，通常都表示主通常都表示主语正在进行的另一动作，用来对谓语动词语正在进行的另一动作，用来对谓语动词表示的动作加以修饰或作为陪衬，表示的
4、动作加以修饰或作为陪衬，它可表它可表示时间、原因、结果、条件、让步、方式示时间、原因、结果、条件、让步、方式或伴随动作，或伴随动作，相当于相对应的状语从句。相当于相对应的状语从句。第4页/共23页1.Walking along the street,he met his old friend.2.Being ill,he didnt go to school.3.Working hard,you will succeed.When he was walking along the street,he met his old friend.时间状语从句时间状语从句Because he was i
5、ll,he didnt go to school.原因状语从句原因状语从句If you work hard,you will succeed.条件状语从句条件状语从句第5页/共23页4.Being poor,the old man was happy.4.Being poor,the old man was happy.5.The boy fell off his bike,breaking his right arm.5.The boy fell off his bike,breaking his right arm.6.He sat at the table,reading a magaz
6、ine.6.He sat at the table,reading a magazine.让步状语从句让步状语从句表结果表结果表伴随表伴随Though the old man was poor,he was happy.The boy fell off his bike,and broke his right arm.He sat at the table,and read a magazine at the same time.第6页/共23页第7页/共23页一:用所给词的适当形式填空1_(see)the front door being painted,he had to enter th
7、e room through the back door.2Time _(permit),we will pay a visit to him before we leave.3He went to Australia,_(hope)to find a teaching post without too much difficulty.4The storm left,_(cause)a lot of damage to this area.5_(tell)many times,he finally understood what it meant.Seeing permittinghoping
8、 causing Having been told 第8页/共23页第9页/共23页一、观察下面的句子，找出共同点一、观察下面的句子，找出共同点,并把分词结构的句子并把分词结构的句子改为其相应的状语从句。改为其相应的状语从句。1)Be careful when crossing the road.2)Dont laugh while eating.3)Before going abroad,he lived here.4)After watching TV,he went to bed 5)Though working very hard,he couldnt make enough mone
9、y to pay off his debt.6)On arriving in Beijing,he went to see his uncle.7)The bus was held up by the snowstorm,thus causing the delay.8)Not knowing his telephone number,she had some difficulty getting in touch with Bill.第10页/共23页The answers:1)Be careful when you are crossingyou cross the road.2)Dont
10、 laugh while you are eating.3)Before he went abroad,he lived here.4)After he watched TV,he went to bed.5)Though he worked very hard,he couldnt make enough money to pay off his debt.6)As soon as he arrived in Beijing,he went to see his uncle.7)The bus was held up by the snowstorm so that it caused th
11、e delay.8)Because she didnt know his telephone number,she had some difficulty getting in touch with Bill.第11页/共23页1.从属连词（whenwhilebeforeafter thoughunless-)+V-ing 作状语，出于强调或某种表达的需要。2.某些介词（on inwithout besides-)或副词thus+V-ing 在句中作状语。3.V-ing的否定形式是 not+V-ing.Summary 3：第12页/共23页完成教材第20-21页1、3题。第13页/共23页Ac
12、tivity 1：Complete the sentences with the correct form of the verbs below.1 On her,the king immediately falls in love with her.2 He marries her,not who she really is.3 Before his kingdom,he calls his son to him.4 After about the situation,he decides to kill the witch himself.5 While by pool,Ferdinand
13、 sees a frog.seeingknowingleavingthinkingsitting第14页/共23页Activity 3:Rewrite the sentences with the ing form of the verbs.1 When he saw the witch,the boy ran away.2 Before he starts the war,the king speaks to the prince.3 While he was fighting in the war,the prince learnt many things4 After he had sp
14、oken to his son,the king went to war.5 Because he dosent know what to do,Ferdinand follows the frogs advice.On seeing the witch,the boy ran away.Before starting the war,the king speaks to the prince.While fighting in the war,the prince learnt many things.After speaking to his son,the king went to wa
15、r.Not knowing what to do,Ferdinand follows the frogs advice.第15页/共23页Find out the order of time between the V-ing form and the verb.Standing on top of the hill,you can see as far as the seaside.Standing on top of the hill,you can see as far as the seaside.The fish can eat a person in two minutes,lea
16、ving only bones.The fish can eat a person in two minutes,leaving only bones.Having finished his homework,the boy went out to play football.Having finished his homework,the boy went out to play football.分词动作与分词动作与谓语动作谓语动作同时发生同时发生分词动作在分词动作在谓语动作谓语动作之后发生之后发生分词动作在分词动作在谓语动作谓语动作之前发生之前发生第16页/共23页-ing变化形式(do
17、ing /having done)被动形式(being done/having been done)Summary 4eg.Hearing the news,she burst into tears.Having waited in the queue for half an hour,Tom suddenly realized that he had left his wallet at home.The bridge being built now will be completed in the three months.Having been shown the lab,the vis
18、itor looked around the stadium.第17页/共23页动词ing 形式的独立主格结构 它的逻辑主语一般须与主句的主语一致，但有时它可以有自己独立的逻辑主语。独立结构通常用来表示伴随的动作或情况。Night coming on,we started for home.Weather permitting,we will go out for a picnic tomorrow.第18页/共23页第19页/共23页阅读下面材料，在空白处填入适当内容(不多于3个单词)或括号内单词的正确形式。A lecturer was giving a lecture to his stu
19、dents on stress management.He raised a glass of water and asked the audience,“How heavy do you think this glass of water is？”The students answers ranged from 20g to 500g.It doesnt matter on the absolute_(weigh).It depends on how long you hold_.If I hold it for a minute,it is OK.If I hold it for an h
20、our,Ill have an ache in my right arm._(hold)it for a day,you will have to call an ambulance.Its the exact same weight,but the_(long)I hold it,the heavier it becomes.If we carry our burdens_the time,sooner or later,we wont be able to carry on,the burden_(become)increasingly heavier.What youve to do i
21、s to put the glass down,rest for a while before holding it up again.Weve to put down the burden periodically,so that we can_(refresh)and are able to carry on._(return)home from work tonight,you should put the burden of work_.Dont carry it back home.You can pick it up tomorrow.Whatever burdens youre
22、having now on your shoulders,let it down_a moment if you can.Life is short,enjoy itweightitHoldinglongerallbecomingbe refreshedReturningdownfor第20页/共23页Translation：1.听到这个坏消息，他们禁不住哭起来。2.我的父母昨天去了上海，把我独自留在家里。3.没有收到他老板的任何回复(reply),他决定打电话。Hearing the sad news,they couldnt help crying.My parents went to Shanghai yesterday,leaving me alone at home.Not having received any reply from his boss,he decided to make a call.第21页/共23页 第22页/共23页感谢您的观看。第23页/共23页