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1、动词的过去式词尾变化有几种：1．一般情况下加ed，如watched,planted,watered,pulled,climbed,picked。2．以不发音字母e结尾的加d，如liked,moved,tasted,danced。3．以辅音字母加y结尾的变y为i再加ed，如study——studied。4．以1个元音字母加1个辅音字母结尾的重读闭音节，双写最后一个辅音字母再加ed，如stop——stopped。词尾读音有3种：a．在浊辅音和元音后读[d]，如lived,watered,listened,played。b．在清辅音
2、后读[t]，如liked,helped,watched。c．在[t],[d]音后读[Id]，如planted,wanted,handed(上交)。不规则动词的过去式变化则没有什么规律，请大家背熟记牢：1）is,am-wasare-were2)begin-beganring-rangdrink-drankswim-swamgive-gavesing-sangsit-satrun-ranhave-hadmake-madecome-cameeat-ate3)write-wroteride-rodespeak-spokedrive-d
3、rovestand-stoodtell-toldwin-wonget-gottake-took4)sleep-sleptsweep-sweptfeel-feltkeep-keptspell-speltspend-spentbend-bentmeet-metgo-went5)know-knewfly-flewblow-blewgrow-grewthrow-threwdraw-drew(glow-glowed)6)teach-taughtcatch-caughtbuy-boughtfight-foughtthink-thought
4、7)find-foundhear-heardsay-saidlie-laysee-sawlearn-learntmean-meant8)put-putread-readcut-cutlet-letsit—satthrow—threwam,is—wasdrink—drankdraw—dreware—weresing—sangfly—flewdo—didbegin—begangrow—grewhave,has—hadswim—swamput—putmay—mightgive—gavecut—cutcan—couldring—ran
5、glet—letshall—shouldrun—ranread—readwill—wouldride—rodecatch—caughtgo—wentwrite—wroteteach—taughteat—atedrive—drovethink—thoughthear—heardkeep—keptbuy—boughtsee—sawsleep—sleptfight—foughtfind—foundsweep—swepthold—heldwear—worefeel—felttell—toldmeet—metcome—cameget—g
6、otmean—meantbecome—becamemake—madespeak—spoketake—tooksay—said不规则动词过去式变化1）be动词is,am-wasare-were2)把i、u改abegin-beganring-rangdrink-drankswim-swamgive-gavesing-sangsit-satrun-rancome-camebecome-becameeat-ate3)把i、ea改为owrite-wroteride-rodespeak-spokedrive-drovestand-stoo
7、dtake-tookwin-wonget-got4)eep改为eptsleep-sleptsweep-sweptfeel-feltkeep-keptspell-speltspend-spentbend-bentmeet-met5)o改为eknow-knewfly-flewblow-blewgrow-grewthrow-threwdraw-drew(glow-glowed)6)改为aught、oughtteach-taughtcatch-caughtbuy-boughtfight-foughtthink-thought7)无规则
8、find-foundhear-heardsay-saidlie-laysee-sawlearn-learntmean-meantdo-didhave-hadmake-madetell-toldhold-held熟记牢：go-wentwear-worecan-couldshal
