动名词做主语和宾语.ppt

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1、GrammarGerund动名词ASONGLOVE---ByJohnLennonLoveisreal;realislove.Loveis________;________love.Loveis________tobeloved.Loveistouch;touchislove.Loveis________;________love.Loveis________tobeloved.Loveisyou,youandme.Loveis________wecanbe.Loveisfree;freeislove.Love

2、is________;________love.Loveis________tobeloved.feelingfeelingwantingreachingreachingaskingknowingleavingleavingneeding-ingformsassubjectandobjectV-ing形式的构成方式：1.在一般情况下，在动词原形后直接加词尾–ing。eg.go–going;do–doing;ask–asking;read---readingstudy–studying;carry–carry

3、ing;fly–flying;worry–worrying;2.在以不发音的e结尾的动词后，去掉e，再加-ing。eg.come–cominglive–livingdance–dancingmake–making3.在闭音节的单音节动词后、以重读闭音节结尾的多音节动词，而末尾只有一个辅音字母时，将这个辅音字母双写（x除外），然后再加–ing.sit–sitting;run–running;begin–beginning;forget–forgetting4.在少数几个以–ie结尾的动词后：须将–ie变

4、作y，再加-ing。(这些动词词典一般均注明)eg.die–dying;tie–tyinglie–lying一、–ing作主语或宾语1．作主语①直接置于句首1)捉弄别人是我们万万不能干的.Playingtricksonothersissomethingweshouldneverdo．2)学习新单词对我来说非常重要。Learningnewwordsisveryimportantforme．3)说比做容易。Talkingiseasierthandoing.1.ishishobby.(唱歌)Singing一、–i

5、ng作主语2.isthebestwaytoloseweight.(做运动)Doingexercise3.isawasteoftime.(玩电脑游戏)Playingcomputergames4.isdangerous.(开车开得太快)DrivingtoofastCommon?Singingismyhobby.Doingexerciseisagoodwaytoloseweight.Playingcomputergamesisawasteoftime.Drivingtoofastisdangerous.1.作主

6、语。2.谓语动词用。动词-ing单数动词-ing形式作主语动词-ing形式作主语表示经常的、习惯性的动作,谓语动词用_______：对他说话等于对牛弹琴。(talk)<谚语>空谈无济于事。(talk)istalkingtoawall.Talkingmendsnoholes.Talkingtohim单数①itis/was+nouse/good+doingsth做……是没用处的Itis/wasworth/worthwhiledoing做……是值得的Itisworth/worthwhile(这部是电影值得看的)se

7、eingthemovie②Itisworth/worthwhileseeingthemovie.(这部是电影不值得看的)hardly/notIt+is/was+awasteoftimedoing做……是浪费时间的Itisawasteoftime.(玩电脑游戏)playingcomputergames③Thereisnodoing...无法……whatwillhappenbetweenthem.(无法知道)Thereisnoknowing④归纳:常用-ing形式作主语的句型有：It+be+awasteoftim

8、edoing做……是浪费时间的Itis/wasnogood/use/fundoing做……是没用处的Itis/wasuseless/usefuldoing做……是无用的、有用的Itis/wasworth/worthwhiledoing做……是值得的②用形式主语it，把真正的主语ing形式移置句尾。但这种句子形式有一定的限制，作表语的只能是某些形容词或少数名词。和夏洛克争辩是没有什么用的。Itisus