高中英语 Unit 3 Fascinating Parks Learning about Language课件 新人教版必修1 课件.ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,Unit 3,Fascinating Parks,Learning About Language,动词,-ing,形式作主语,一、动词,-ing,形式作主语,1.,动词,-ing,形式作主语的功能及基本用法,功能,:,动词,-ing,形式作主语时,多表示经常性、习惯性的动作,谓语动词多用单数形式。,*,Using cocaine increases,the users heart rate and blood pressure.,使用可卡因会加快使用者的心率并使血压升高。,*,Wasting a persons time is,the same as killing him for his property.,浪费别人的时间无异于谋财害命。,【,易错精点,】,意义不同的两个动词,-ing,形式并列作主语时,谓语动词,需用复数形式。,*,Listening to the English tapes and watching English,films are,good ways to learn English.,听英文磁带和看英文电影是学英语的好方法。,2.,形式主语,it,代替动词,-ing,形式作主语,*,It,is no use,talking,to himhe wont listen跟他谈没有用,他不会听的。,*,It,is a waste of time,talking about,such useless things.,谈论这些没用的事情是在浪费时间。,【,名师点津,】,(1)It is+,adj.,+doing sth.,It is/feels funny doing sth.,做某事,(,感觉,),很有趣,It is useless doing sth.,做某事无用,It is worthwhile doing sth.,做某事是值得的,(2)It is a waste of+,n.,+doing sth.,Its a waste of time doing sth.,做某事是浪费时间,(3)It is no+,n.,+doing sth.,Its no good/no use/no fun doing sth.,做某事没好处,/,没用,/,没意思,【,即学活用,】,(1),用所给动词的适当形式填空,(2019,天津高考,)_(learn)to think critically,is an important skill todays children will need for the,future.,_(eat)too much fat is no good for your health.,Learning,Eating,Its a waste of time _(try)to persuade such a,person.,It is no use _(write)to him;he never answers,letters.,trying,writing,(2),完成句子,(2018,北京高考,)_,an interesting and rewarding experience.,沿着古老的“丝绸之路”旅行是一次有趣、有意义的经,历。,Traveling along the old Silk Road is,二、动词,-ing,形式的否定形式,动词,-ing,形式的否定形式通常是在其前加,not,带有逻辑主语时,not,应放在逻辑主语和动词,-ing,形式之间。,*,Not knowing how to use a computer,makes it more difficult for him to do his academic research.,不知道如何使用电脑使他更难进行学术研究。,*,Not having done,his homework makes the teacher angry.,未完成他的作业让老师很生气。,【,即学活用,】,(1)_(,没买那条贵裙子,),causes the couple to quarrel.,(2)_(,未能通过考试,)made him,disturbed.,Not buying the expensive dress,Not passing the exam,三、动词,-ing,形式的复合结构,动词,-ing,形式的复合结构由物主代词或人称代词宾格、名词所有格或普通格加动词,-ing,即“,sb./sb.s+doing”,构成。动词,-ing,形式的复合结构实际上是给动词,-ing,形式加了一个逻辑主语。动词,-ing,形式的复合结构有四种形式,:,形容词性物主代词,+,动词,-ing,名词所有格,+,动词,-ing,代词宾格,+,动词,-ing,名词,+,动词,-ing,*,Her coming,to help encouraged all of us.,她来帮忙鼓舞了我们所有人。,(=That she came to help encouraged all of us.),*,Marys,(,不可用,Mary,),being ill,made her mother upset.,玛丽病了,这使她妈妈很着急。,【,易错精点,】,动词,-ing,形式的复合结构在句中作主语时,不能用代词的宾格和名词的普通格形式。,【,即学活用,】,(1)_made his teacher very angry.,他又一次迟到使他的老师非常生气。,(2)_caused so much trouble.,简的粗心大意造成了太多的麻烦。,His being late again,Janes being carelessness,四、动词,-ing,形式的时态和语态,:,语态,时态,主动语态,被动语态,一般时,doing,being done,完成时,having done,having been done,*,Sometimes being punished,may be a good thing.,有时被惩罚可能是一件好事。,*,Having been given,a toy car as a gift made the boy laugh.,那男孩收到一辆玩具汽车作为礼物,笑了。,【,即学活用,】,(1)_for a long time does great,harm to your skin.,暴露在阳光下太长时间会对你的皮肤造成极大伤害。,(2)_by my dog made Linda refuse,to play with me again.,琳达已经被我的狗咬了,所以她拒绝再和我玩。,Being exposed in the sun,Having been bitten,