Unit 3 Grammar and usage （ppt课件）-2023新牛津译林版（2020）《高中英语》必修第三册.pptx

1、Unit 3 The world onlineGrammar and usage1.categorize the functions of v-ing forms and summarize the general rules;2.change sentences structures with v-ing forms;3.apply verb-ing forms in new situations appropriately.By this end of this class,you will be able to:Learning aims:ContentsSummarize the ge

2、neral rulesApplying the rulesHomeworkWorking out the rulesReading and exploringLead-inWhat will you do if you want to learn how to dance?Lead-inUsing the Internet,we can find some interesting websites providing dancing resources.I often hear my sister chatting using Wechat and see my father reading

3、newspapers.What are these?1.Why did Fiona set up the website JustDance?2.What is Fiona Lins future plan?Reading and exploringAnna is reading an article about a website.Find the verb-ing forms in the article and fill in the table below.The first ones have been done for you.V-ing forms as attributives

4、a website belonging to all dance loversV-ing forms as adverbialsTaking advantage of the sites great startV-ing forms as object complementsshe watched her daughter dancingS She always found dance he always found dance relaxingrelaxingHavingHaving achieved such success achieved such successReading and

5、 exploringWorking out the rules The verb-ing form can be used like an adjective or an adverb,indicating a(n)(1)_(active/passive)meaning.When the verbing form is used as an attributive,it often comes(2)_(before/after)the noun,but the verb-ing phrase used as an attributive is usually put(3)_(before/af

6、ter)the noun.When used as an adverbial,the verb-ing form can express time,reason,purpose,result or condition.The verb-ing form can also be used as an object complement.activebeforeafter动词ing作定语01动词ing单独作定语（类似于形容词）waiting room(动名词)a flying bird(现在分词)02动词ing与其他词构成合成词作定语 an easy-going man动词ing形式短语作后置定语

7、.A boy waiting for the busThe people talking there are my friends.03动名词修饰名词时表示该名词的用途现在分词修饰名词时表示其性质状态或动作等General rules作定语比较动词ing表示主动或正在进行或习惯性的动作；过去分词表示被动或完成意义；不定式表示动作尚未发生。You should adapt to the (change)situation.你应该适应不断变化的形势。The ground is covered with (fall)leaves.地上满是落叶。Im looking for a room (live)

8、in.我正在找房子住。changingto livefallenGeneral rules动词ing作状语0102作时间状语 Hearing the noise,I turned round When I heard the noise,I turned round.作原因状语Being poor,he couldt afford a TV set.Because he was poor,he couldnt afford a TV set.听到响声我转过身去。由于贫穷，他买不起电视机。General rules动词ing作状语0304General rules作伴随状语动词-ing表示的动作

9、和主句的动作同时发生，此时它可转换成由连词连接的并列谓语。Mary sat by the window of the classroom,reading book.=Mary sat by the window of the classroom and was reading a book.作让步状语相当于although/though引导的让步状语从句 Having being told many times,he still repeated the same mistake.=Although he had been told many times,he still repeated t

10、he same mistake.动词ing作状语0304作条件状语相当于一个if引导的条件状语从句。Working hard,youll certainly succeed.If you work hard,youll certainly succeed.作结果状语通常放在句末，中间用逗号隔开，表示一种顺其自然、意料之中的结果。The fire lasted whole night,causing great damage.只要努力学习,你肯定会成功的。大火持续了一整夜,造成了巨大损失。General rules动词ing作状语Tip 1动词-ing形式作结果状语，是随着谓语动词的发生而产生的

11、自然结果，其逻辑主语往往是前面整个句子所描述的情况，前面有时候可以加thus而不定式作结果状语时常表示出乎意料的结果，常用 only to do结构，其被动形式为 only to be done He was caught in the rain，thus (make)himself catch a cold.I hurried to school，only （tell）it was Sunday.被雨淋后他感冒了。我匆忙赶到学校，结果发现是星期天。General rulesto be toldto be toldmakingmakingCheck the sentences.Being ti

12、red,I asked John to have a rest.Being tired,John had a rest.General rules动词ing作状语Tip 2动词-ing形式用作状语时，其逻辑主语与句子主语一致。动词ing作宾补01跟在表示感觉和心理状态的动词后，如：feel,find,notice,see等。I heard someone knocking at the door.02使役动词及其它一些动词，如：keep,set等。后可用动词ing形式作宾补。Can you get my watch going again?你能使我的表再次走起来吗？我听到有人敲门 Genera

13、l rules03现在分词用于复合结构中作宾补 With spring coming on,trees turn green.春天到了，树变绿了。doingbeing donehaving done(作状语作状语)having been done(作状语作状语)not+v.ing形式形式现在式现在式完成式否定式主 动被 动_(ask)to work overtime that evening,I missed a wonderful film._(spend)the past year as an exchange student in Hong Kong,Linda appears more

14、 mature than those of her age.Having spentHaving been askedApplying the rules1.I saw that Jess was doing research online in the computer room.I saw _in the computer room.2.Anybody who goes online should be careful about their personal information._ should be careful about their personal information.

15、Jess doing research online Anybody going online Rewrite the sentences using the verb-ing forms in Part B1 on Page 35Applying the rules3.When he heard the news,he jumped for joy._,he jumped for joy.4.After I searched the Internet for information,I started writing my article._,I started writing my art

16、icle.Hearing the newsHaving searched the Internet for information Applying the rulesSample answers:1.thinking 2.amazing 3.cutting 4.Using 5.Having had6.runningComplete the conversation with the correct verb-ing forms of the verbs in the box in Part B2 on Page 35.Applying the rulesGroup workIn pairs,

17、describe the pictures below using verb-ing forms as attributives,adverbials or object complements.Use the example to help you.S1:The family chatting online look so happy.S2:Chatting online with the girls mum,the family are having a good time.S3:I can see the family chatting happily online.Group work

18、In pairs,describe the pictures below using verb-ing forms as attributives,adverbials or object complements.Use the example to help you.Possible answer:S1:Watch out for those stealing personal information online.S2:Not keeping your bank account and password private,you are likely to become a victim o

19、f online theft of personal information.S3:The Internet is far from safe,and every day the police catch some people stealing personal information online.The Internet should be viewed as a two-edged sword,which presents us with both conveniences and troubles.But we should not give up eating for fear of choking.Homework1.Rview what weve learnt today after class.2.Comple your exercise on page 70Thank you！