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1、动词时态教学设计界首市新马集中心学校李林海动词时态教学重、难点1.动词的四种形式2.不规则动词表3.动词的八种时态的用法教学过程一、动词的基本形式：英语动词共有五种基本形式,即动词原形、第三人称单数形式、现在分词、过去式和过去分词。1.动词的基本构成及形式：形式构成例词动词原形词典中一般给出的形式be,have,come,do第三人称单数形式在动词原形后+srun—runs,like—likes以ch,sh,s,x,o结尾的动词后+esteach—teaches,wash—washes,go—goes,pass—pa
2、sses以辅音字母+y结尾的动词，改y为i再+estry—tries,study—studieshave─has现在分词在动词原形后+ingread—reading以不发音的e结尾的动词，去掉e再+ingwrite—writing,have—having以重读闭音节结尾的词， 末尾只有一个辅音字母，双写此字母后再+ingswim—swimming,dig—digging少数几个以ie结尾的动词要变ie为y再+ingdie—dying,lie—lying过去式与过去分词(规则变化)在动词原形后+edwork—worke
3、d以辅音字母+y结尾的动词，改y为i再+edcarry—carried,study—studied以重读闭音节结尾的词， 末尾只有一个辅音字母，双写此字母后再+edstop—stopped,plan—planned说明：①词尾ed在清辅音后读/t/;在浊辅音和元音后读/d/;在/t/和/d/后读/d/.②词尾es或s在/s/,/z/,/t/,/d/后读/z/;在清辅音后读/s/;在浊辅音及元音后读/z/;在/t/,/d/后读/ts/,/dz/.2.不规则动词的过去式和过去分词：原型过去式过去分词原型过去式过去分词1.
4、AAA型costcostcostputputputcutcutcutreadread[red]read[red]hithithitsetsetsethurthurthurtshutshutshutletletlethurthurthurt2.AAB型beatbeatbeaten3.ABA型becomebecamebecomerunranruncomecamecome原型过去式过去分词原型过去式过去分词4.ABB型(1)原型后加d或t:burnburntburntmeanmeantmeanthearheardheard
5、spoilspoiltspoiltlearnlearntlearnt(2)原型改d为tbuildbuiltbuiltsendsentsentlendlentlentspendspentspent(3)其他bringbroughtbroughtmeetmetmetbuyboughtboughtpaypaidpaidcatchcaughtcaughtsaysaidsaiddigdugdugsellsoldsoldfeelfeltfeltshineshone(shined)shone(shined)fightfoughtf
6、oughtsitsatsatfindfoundfoundsleepsleptsleptgetgotgotsmellsmelt(smelled)smelt(smelled)hanghung(hanged)hung(hanged)spillspiltspilthave,hashadhadspitspatspathidehidhid(hidden)standstoodstoodholdheldheldsweepsweptsweptkeepkeptkeptteachtaughttaughtlaylaidlaidtelltol
7、dtoldleaveleftleftthinkthoughtthoughtloselostlostunderstandunderstoodunderstoodmakemademadewinwonwon5.ABC型(1)原型后加n或en:blowblewblownmistakemistookmistakendrawdrewdrawnrideroderiddendrivedrovedrivenriseroseriseneatateeatenseesawseenfallfellfallenshowshowedshown原型
8、过去式过去分词原型过去式过去分词givegavegiventaketooktakengrowgrewgrownthrowthrewthrownknowknewknownwritewrotewriten(2)过去式后加n或enbreakbrokebrokensinksunk(sank)sunken(sunk)choosechosechosensp
