2020春新教材高中英语 Unit 1 FESTIVALS AND CELEBRATIONS Section Ⅳ Discovering Useful Structures——动词－ing形式（1）课件 新人教版必修第三册

sectiondiscoveringusefulstructures动词-ing形式(1),动词-ing形式(现在分词)由“动词原形-ing”构成，在句子中可以作主语、定语、表语、宾语补足语和状语。,一、动词-ing形式作定语合作探究1,wearenotallowedtospeakaloudinthereadingroom.在阅览室里我们不准大声说话。thereisaswimmingpoolinourschool.我们学校有一个游泳池。自主发现1动词-ing形式作定语表示所修饰名词的_。,属性、作用或用途,合作探究2theboystudying(whoisstudying)intheclassroomisourmonitor.在教室学习的那个男孩是我们的班长。自主发现2动词-ing形式作定语表示所修饰名词的_，相当于一个定语从句。,动作或状态,合作探究3wellhaveanexaminthecomingweek.下周我们将进行一次考试。theylivedinahousefacingsouth(whichfacessouth).他们住在一所朝南的房子里。doyouknowtheboyplayingbasketball(whoisplayingbasketball)?你认识在打篮球的那个男孩吗？自主发现3当动词-ing形式单独作定语时，放在所修饰的名词_；如果是动词-ing短语作定语，则放在该名词_。,前,后,二、动词-ing形式作表语合作探究1,herjobiskeepingthelecturehallascleanaspossible.(keepingthelecturehallascleanaspossibleisherjob.)她的工作是尽量使报告厅保持干净。herdutyistakingcareofthebabies.(takingcareofthebabiesisherduty.)照看婴儿是她的职责。,自主发现1动词-ing形式表示主语的_时，可以转换到句首作主语。合作探究2theproblemisquitepuzzling.这个问题很令人困惑。thefilmwesawlastnightwasverymoving.我们昨晚看的那部电影非常感人。自主发现2动词-ing形式表示主语的某种性质和特征时，通常可以看作_。常用来作表语的现在分词有astonishing，amusing，confusing，disappointing，boring，encouraging，inspiring，moving，tiring，interesting，surprising等。,内容,形容词,名师提醒,(1)作表语时，系动词除be外还有appear，sound，look，become，come，get，go，grow，keep，remain，seem等。(2)动词-ing形式作表语用时，相当于形容词，表示性质或状态；而进行时态中的动词-ing形式是谓语动词的组成部分，表示具体的动作，两者不可混淆。thepresentsituationisencouraging.(表语)目前的形势是令人鼓舞的。,thepresentsituationisencouragingustostrideforwardinproduction.(现在进行时)目前的形势正在鼓舞我们在生产上迈步前进。theproblemisquitepressing.(表语)问题很紧迫。sheispressingthebutton.(现在进行时)她正在按电钮。,巩固内化1单句语法填空theysetupan_(operate)table.heshoutedandrappedwithhis_(walk)stickonthedoor.巩固内化2单句语法填空thefirefightersdashedintothe_(burn)woodstosavepeopletrappedinit.theexperimentwasan_(amaze)success.,operating,walking,burning,amazing,巩固内化3单句语法填空lastnight，thereweremillionsofpeople_(watch)theopeningceremonyliveontv.thereisanotepinnedtothedoor_(say)whentheshopwillopenagain.thebuilding_(build)overthereisourlibrary.,watching,saying,beingbuilt,巩固内化4单句语法填空herjobis_(check)letterofcreditandtermsofcontract.yourtaskis_(clean)thewindows.whatihatemostis_(laugh)at.,checking,cleaning,beinglaughed,巩固内化5补全句子thedevelopmentofouraviationindustry_.我们的航空工业的发展是非常令人鼓舞的。whathesays_.他说的话听起来更有说服力。lindasbrother_inhisbedroomnow.现在，琳达的哥哥正在他的卧室里看电视。,isquiteencouraging,soundsmoreconvi