Unit 3 Fascinating Parks Discover Useful Structures动名词做主语-ppt课件--（2022）新人教版(2019新版)高中英语选择性必修第一册.pptx

1、FASCINATING PARKS Discover Useful Structures圈出以下句子中的圈出以下句子中的V-ingV-ing，判断哪些在句子中做，判断哪些在句子中做是是主语主语。1.Iwakeuptothesoundofthewindbuffetingtheclothofmytent.2.Closeby,thereareafewreindeerfeedingongrass.3.Forhundredsofyears,lookingafterreindeerwasawayoflifefortheSami.4.Eventhoughthesunisbrighlyshining,tell

2、ingwhetheritismorningornightisimpossible.Can you find more sentences with V-ing as Can you find more sentences with V-ing as subject in the passage on P26-27subject in the passage on P26-271.Gettinghereisquitedifficult.2.Beinginsuchabeautifulandwildplacemakesmefeelblessedtobealive.-ing as subject1.直

3、接放在句首，表示抽象的、经常的以及习惯性的动作或状态，谓语动词用_。单数1.散步对年轻人和老年人都是一种很好的锻炼方式。Walkingisagoodwaytoexerciseforboththeyoungandtheold.2.在电视上看新闻已经成了我的一种日常习惯。WatchingnewsonTVhasbecomeadailyroutineforme.3.乘火车去杭州要16个小时。GoingtoHangzhoubytraintakesabout16hours.4.发现一种疟疾的新治疗方案是这组科学家的目标。Discoveringanewtreatmentformalariaistheobje

4、ctiveofthisteamofscientists.意义不同的两个动词-ing形式并列做主语时，谓语动词需要复数形式。Listening to the English tapes and watching English films are good ways to learn English.2.it在句首作形式主语，动词-ing形式后置作真正的主语，用形容词或名词作表语。(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

5、doing sth 做某事是值得的(2)It is a waste of+n.+doing sth.It is 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/没意思即学即练（句子翻译）1.跟他谈没有用他不会听的。2.谈论这些没用的事情是在浪费时间。Itisnousetalkingtohim-hewontlisten.Itisawasteoftimetalkingaboutsuchuselessthings.即学即练（用所给动词的适

6、当形式填空）1.（2019天津高考）_(learn)to think critically is an important skill todays children will need for the future.2._(eat)too much fat is no good for your health.3.It is a waste of time _(try)to persuade such a person.4.It is no use_(write)to him;he never answers letters.LearningEatingflyingwriting3.动词-i

7、ng形式的否定结构 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。不知道如何使用电脑使他更难进行学术研究。Notknowinghowtouseacomputermakesitmoredifficulttforhimtodohisacademicresearch.未完成他的作业让老师很生气。Nothavingdonehishomeworkmakestheteacherangry.完成句子_(没买那条贵裙子)causesthecoupletoquarrel._(未能通过考试)madehimdisturbed.Notbuyingtheex

8、pensivedressNotpassingtheexam4.动词-ing形式的复合结构当动词-ing形式有自己的逻辑主语时，用动名词的复合结构作主语。结构为(1)(1)肯定形式为肯定形式为形容词性物主代词形容词性物主代词 /名词的所有格名词的所有格 doing.doing.形容词性物主代词+动词-ingHer coming to help encouraged all of us.她来帮忙鼓舞了我们所有人。名词所有格+动词-ingMarys being ill made her mother upset.玛丽病了，这使她妈妈很着急。(2)(2)否定形式为否定形式为形容词性物主代词形容词性物主

9、代词 /名词的所有格名词的所有格 not doing.not doing.他没准时到火车站使得我们大家都很担心。His not getting to the station on time made all of us worried.即学即练（完成句子）他又一次迟到使他的老师非常生气。_made his teacher very angry.简的粗心大意造成了太多的麻烦。_caused so much trouble.HisbeinglateagainJanesbeingcareless五.动词-ing形式的时态和语态时态/语态主动语态被动语态一般时doingbeing done完成时hav

10、ing done having been done 1.有时被惩罚可能是一件好事。Sometimes being punished may be a good thing.2.那男孩收到一辆玩具汽车作为礼物，笑了。Having been given a toy car as a gift made the boy laugh.即学即练（完成句子）1.暴露在阳光下太长时间会对你的皮肤造成极大伤害。_for a long time does great harm to your skin.2.Linda已经被我的狗咬了，所以她拒绝再和我玩。_by my dog made Linda refuse to play with me again.BeingexppsedinthesunHavingbeenbitten