Unit 4 Learning about language示范课教学课件【人教选必修1】.pdfVIP

百学须先立志。——朱熹

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LearningAboutLanguage

百学须先立志。——朱熹

DiscoveringUsefulStructures：4ngformofverbs

Howcanyoudescribethemaninthepicture?Trytouse-ingform.

Themanlookingintothemirrorisgoingtohisfriends

wedding.

Themanhavingreceivedaninvitationfromhisfriend

isgoingtoaparty.

Themanwaswellprepared,lookingathimselfinthe

mirror.

百学须先立志。——朱熹

Howcanyoudescribetheyoungwomaninthepicture?Trytouse-ingform.

Thewomanwalkedacrossthestreet,staringatthe

ground.

Thewomanstoodattheroadside,waitingforsomeone

anxiously.

Thewomanstoodattheroadside,crossingherarms.

百学须先立志。——朱熹

Howcanyoudescribetheboyinthepicture?Trytouse-ingform.

Theboybeingattackedbyafiercedogisscared.

Havingbeentreatedbadly,thedogbegantoattack

thenaughtyboy.

Thedogbarkedattheboy,tryingtoscarehimaway.

百学须先立志。——朱熹

动词的-讥g形式具有动词的特征，同时又具有名词形容词和副词的特征,因

此它可以在句中作主语表语、定语、宾语宾语补足语和状语。

-ing形式是由动词原形加词尾-沥g构成。

-ing形式同样有时态和语态的变化，以do为例：

—般式完成式

主动形式doing主动形式havingdone

被动形式beingdone被动形式havingbeendone

动词-ing形式的否认形式是在其前加not

百学须先立志。——朱熹

动词・ing形式做表语的两种含义

①-ing分词作表语可以表示主语的内容是什么。

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