动名词做主语课件.pptVIP

人教版高中英Book4Unit2TheGerund(orV–ingform)usedassubject范大学制作人：梁惠芳

?LosinghimwasbluelikeI’dneverknown?Missinghimwasdarkgreyallalone?Forgettinghimwasliketryingtoknowsomebodyyou’venevermet?Butlovinghimwasred~~~?Lovinghimwasred~~~~?V-ingformusedassubject

?一.TheusageofV-ingformusedassubject动名词做主语往往表示经常性、习惯性的动作或状态。?WatchingnewsonTVhasbecomearoutineforme.(经常性、习惯性的动作)?Talkingiseasierthandoing.(状态）

?一.动名词做主语的3种句型?(1)动名词直接置于句首。?Talkingiseasierthandoing.?(2)Ving形式作主语时常后置,用it作形式主语?Itisawasteoftimedoingsth?(3)Therebe结构中作主语：?A.Thereis+nodoing?B.Thereisnopointdoing

(1)动名词直接置于句首。?WatchingnewsonTVhasbecomearoutineforme.?Seeingisbelieving.

Playingvideogamesisawasteoftime.playingvideogamesItisawasteoftime.(2)V-ing形式作主语时常后置,用it作形式主语。Itisawasteoftimeplayingvideogames.形式主语真正主语

常见句式:?Itisnogood/nouse/uselessdoingsth?做、、、没有用的?Itisawasteoftimedoingsth?做、、、是浪费时间的

Itisnousecryingoverspiltmilk.

?(3)Therebe结构中作主语：?A.Thereis+nodoing?表示不可能做某事?Thereisnoknowingthefuture==wecan’tknowthefuture.?B.Thereisnopointdoing做、、、没有意义

B.Thereisnopointdoing做、、、没有意义?There’snopointhavingwishesifyoudon’tatleasttrytodothem.?如果你都不尝试实现梦想，那么拥有梦想又有什么意思呢。

?Talkingiseasierthandoing.?LosinghimwasbluelikeI’dneverknown.?Missinghimwasdarkgreyallalone.动名词作主语时，单个V-ing做主语，谓语动词用单数。?Collectingstampsandrunningarehishobby.两个或两个以上表达不同意义的V-ing作主语，谓语动词用复数。

?主谓一致：?Seeingareisbelieving.?WatchingTVandreadingbookshashavebecomearoutineforme.

summary?一.动名词做主语的用法?(1)动名词直接置于句首。?Talkingiseasierthandoing.?(2)Ving形式作主语时常后置,用it作形式主语?Itisawasteoftimedoingsth?(3)Therebe结构中作主语：?A.Thereis+nodoing?B.Thereisnopointdoing单个V-ing做主语，谓语动词用单数。

Homework

SinceTomwenttohighschool,_______(watch)TVhasbecomearoutineforhim.Hismotheralwayssaid“it’swasteoftime_________(spend