Unit3 动名词作主语（ppt课件）-2022新人教版（2019）《高中英语》选择性必修第一册.pptx

1、UNIT 3语法精讲语法精讲Entrepreneurial activities differ substantially depending on the type of organization and creativity.Entrepreneurial activities differ substantially depending on the type of organization and creativity.动词动词-ing形式作主语形式作主语UNIT 3 FASCINATING PARKSIn this class we will u Learn how to annal

2、yse and identify the uses of ing formsu Reinforce what students have learnt about ing forms as subjectsu Put what has been taught into practiceThe-ing form:动名词动名词现在分词现在分词V-ing 形式形式返返首首页页课时分层作业课时分层作业返返首首页页课时分层作业课时分层作业1.Families celebrating the Chinese New Year can enjoy exciting dragon dances and car

3、nivals together.The performances are just amazing.2.The new Peoples Republic of China saw Dr Lin Qiaozhi playing a key role.3.Thinking of all the people still in need of help,Dr Lin opened a private clinic.4.She was known as the mother of ten thousand babies,having delivered over 50,000 babies in he

4、r lifetime.What are the functions of the ing form in the sentences?定语表语宾语补足语状语状语定语返返首首页页课时分层作业课时分层作业the form used as subject Talking is easier than doing.Learning new words is very important for me.Reading aloud is a good way in learning a language.Playing with fire is dangerous.朗读是学习语言的一个好方法。朗读是学习语

5、言的一个好方法。1.-ing形式作形式作主语主语，通常直接，通常直接置于句首置于句首。谓语动词用。谓语动词用单数单数形形式。式。说比做容易。说比做容易。学习新单词对我来说非常重要。学习新单词对我来说非常重要。玩火是危险的。玩火是危险的。返返首首页页课时分层作业课时分层作业返返首首页页课时分层作业课时分层作业返返首首页页课时分层作业课时分层作业 Its worth making the effort.It is pleasant working with you.Its no use crying over split milk.It was a waste of time reading th

6、at book.这件事值得努力去做。这件事值得努力去做。和你一起工作很愉快。和你一起工作很愉快。覆水难收。覆水难收。看那本书是浪费时间。看那本书是浪费时间。3.有时可用有时可用it作形式主语前置作形式主语前置，真正的主语是，真正的主语是-ing形式。形式。但这种句子形式有一定的限制，作但这种句子形式有一定的限制，作表语表语的只能是的只能是某些形容词某些形容词或或少数名词少数名词。形容词形容词名词名词常用常用-ing形式作形式作主语主语的句型有：的句型有：It+be+a waste of time doing It is/was no good/pleasure/use/useless doin

7、g It is/was hardly/scarcely worth doing It is/was worth/worthwhile doing There is no sense in doing做做是浪费时间的是浪费时间的做做是没有用的是没有用的做做不值得不值得做做是值得的是值得的做做没有用没有用/没有意义没有意义返返首首页页课时分层作业课时分层作业【归纳用法】动词ing形式和to do都可以作主语。动词ing形式作主语表示比较抽象的一般行为，to do作主语往往表示具体的或一次性的动作。4.返返首首页页课时分层作业课时分层作业5.返返首首页页课时分层作业课时分层作业动词动词-ing形式作

8、主语形式作主语表示经常性或习惯性的动作且常放句首表示经常性或习惯性的动作且常放句首形容词性物主代词形容词性物主代词+动词动词-ing名词所有格名词所有格+动词动词-ing动词动词-ing作作 主主 语语动词动词-ing的复合结构的复合结构Its a waste time doing sthIts useless/no use/no good doing sthIts no fun doing sthit 作形作形式主语式主语动词原形动词原形+-ing基本构成基本构成基本基本用法用法动词动词-ing与动词不定式作主语的区别与动词不定式作主语的区别Summary Summary 小结小结返返首首页

9、页课时分层作业课时分层作业workingcomplainingVolunteeringBeing invited返返首首页页课时分层作业课时分层作业TalkingregrettingReadingiscrying返返首首页页课时分层作业课时分层作业comingknowingReading _(run)is not only beneficial to our health but also friendly to the environment._(invite)to the party is a great honour for the whole family.Not _(finish)t

10、he task on time made him unhappy._(criticize)before the whole class made me feel embarrassed._(win)the gold medal in the Olympic Games made her famous overnight.It is a waste of time _(play)video games.It is bad manners _(talk)loudly in public places.Running Being invitedfinishing Being criticized H

11、aving won playingto talk返返首首页页课时分层作业课时分层作业Translating the following sentences.1.阅读是扩大你的词汇量的一个好方法。Reading is a good way to enlarge your vocabulary.2.沉迷手机是浪费时间的。Being addicted to smartphones is a waste of time.3.争论此类事情无益。Arguing about such things is no good.4.参加这个活动是值得的。Taking part in this activity is worthwhile.返返首首页页课时分层作业课时分层作业Thank you !