,概 念,特 征,变 形,规 律,英语动词的“三单”形式,什么是动词的,“三单”形式啊？,英语动词的“三单”形式什么是动词的,动词的第三人称单数形式课件,什么是“三单”？,“三单”是“第三人称单数”的简称。,英语中的第三人称与汉语中一致，为他（,he,）、她（,she,）、它（,it,）。,除此之外，具体的个人或个物也是第三人称单数形式，如：,Tom,a boy,a dog,等等。,什么是“三单”？“三单”是“第三人称单数”的简称。,我是,I,第一人称,你是,you,第二人称,我们,we,他们,they,你们,you,复数,男他,he,女她,she,物它,it,单个人名,单个事物,单个地点,第三人称,单数,我是 I第一人称你是 you第二人称我们 we复数男他 he,动词的第三人称单数特征,根据主语的,人称,和,单复数,不同，英语中,谓语动词,的形式也有所不同。如：,I,eat,an apple.,You,do,your homework,.,She,eats,an apple,.,He,does,his work.,如上所示，当主语为第三人称单数时，动词要做相应的变化，这就是动词的“三单”形式。动词第三人称单数一般以,-s,-es,-ies,结尾。,动词的第三人称单数特征根据主语的人称和单复数不同，英语中谓语,动词“三单”的变化,get,make,read,live,walk,eat,eats,lives,makes,gets,reads,walks,观察一：上述单词变形有何规律？,动词“三单”的变化getmakereadlivewalkea,teach,wash,catch,fix,match,guess,matches,washes,teaches,catches,fixes,guesses,观察二：上述单词变形有何特征？,teachwashcatchfixmatchguessmat,study,fly,try,copy,carry,identify,flies,copies,studies,tries,identifies,carries,观察三：上述单词变形有何规律？,studyflytrycopycarryidentifyfl,动词“三单”的变化规律,观察一,：,一般动词,后面直接加,-s,.,例如：,work-works,，,get-gets,，,say-says,，,read-reads,观察二：,以,ch,sh,s,x,或,o,结尾,的动词,在后面加,-es,。例如：,go-goes,，,teach-teaches,，,wash-washes,，,brush-brushes,catch-catches,，,do-does,，,fix-fixes,观察三：,以辅音字母,+y,结尾,的动词，把,y,变为,i,再加,-es.,例如：,study-studies,，,try-tries,，,carry-carries,，,fly-flies,，,copy-copies,动词“三单”的变化规律观察一：一般动词后面直接加-s.例,注意,除了上述基本规律之外，英语中还存在一些无规则的第三人称单数变形。这些需要我们特别记忆，如：,go-,goes,do-,does,have-,has,注意除了上述基本规律之外，英语中还存在一些无规则的第三人称单,练习,用所给单词的适当形式完成句子。,1,、,He often _ basketball with his brother Tom.(play),2,、,Amy _ many women dancing in front of the supermarket.(watch,）,3,、,My father _ to work at 7:30 every day.(go),4,、,The plane _ from Beijing to NewYork.(fly),5,、,The dog _ to jump over the fence.(try),6,、,Tina _ a sister and two brothers.(have),plays,watches,goes,flies,tries,has,练习用所给单词的适当形式完成句子。1、He often _,1.My teacher _ (speak)Chinese well.,2.She _ (love)reading.,3.Ted _(have)a brother.,4.I _(is,am,are)a student.,用单词恰当形式填空,speaks,loves,has,am,1.My teacher _ (spea,5.You _ (study)English well.,6.We _(like)singing.,7.John _ (spend)a lot of time with TV.,8.My brother _ (watch)TV every night.,study,like,spends,watches,5.You _ (study)English w,肯定句变否定：,1.,找,is,am,are,can,等词。变否定更容易，词后,not,莫忘记。,2.,添,：,动词是,原形,，动词前加,dont,动词是第三人称,(-s),在动词前加,doesnt,，动词变原形,3.,如果还有,some,在，快用,any,换过来。,肯定句变否定：,变否定,I am a new student.,否定：,am,am not,2.She has a toy.,否定,:,has,does,not,have,变否定I am a new student.,3.Ted works in a school.,否定,:works,does not work,4.He plays table tennis well.,否定：,plays,does not play,3.Ted works in a school,5.,They can speak English,.,否定：,can,can not,6.It love eating meat.(love),否定,:loves,doesnt love,5.They can speak English.,7.This is an apple.,否定：,is,is not,8.Graces father spends some time with Grace.,否定：,spends,doesnt spend,7.This is an apple.,9.They have some new friends.,否定：,They _,new friends.,dont have any,9.They have some new frie,The end!,Thank you!,The end!,