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ID:15114296
大小:35.50 KB
页数:5页
时间:2018-08-01
《动词的过去式分规则和不规则变化》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、动词的过去式分规则和不规则变化动词的过去式分规则和不规则变化 规格变化:1)当动词原形是以“辅音字母+y”,先改y为i,再加-ed。如:try--triedstudy--studiedcarry--carried 2)重读闭音节单词,要双写末尾的辅音字母,再加-ed。如:fit—fittedstop—stoppedpad—padded 对具备上述条件的双音节动词,如果重音在最后音节,要双写词尾这个辅音字母,再加-ed。如: Re’fer—referredallot—allotted 3)以不发音的e结尾的动词,只须加-d。如: phone—phonedplace—placed 4
2、)除以上的之外,直接在词尾加-ed。如: play—playedwait—waited 不规则变化动词初中常见的93个不规则动词的变化规律归纳如下: A—A型,即原形、过去式相同。(共10个)cost—costcut—cuthit—hithurt—hurtlet—letput—putread—readset—setshut—shutbeat—beat A—B型,即原形、过去式不相同 1)过去式含有-ought(3个)bring—broughtbuy—boughtthink—thought 2)词尾有-ild,-end时,只需把d变为t(4个)build—builtlend—lentsen
3、d—sentspend—spent 3)过去式含有-aught(2个)catch—caughtteach—taught 4)把-eep变为-ept(3个)keep—keptsleep—sleptsweep—swept 5)把-ell变为-old。(2个)tell—toldsell—sold 6)过去式含有-elt或e/ilt(4个)smell—smeltspell—speltfeel—feltspill—spilt 7)过去式在原形词尾加t(3个)learn—learntmean—meantspoil—spoilt 8)过去式词尾是d(4个)say—saidpay—paidlay—laidhe
4、ar—heard 9)改变元音字母(22个)meet—metget—gotsit—satfind—foundhold—heldspit—spatshine—shonewin—wonhang—hungdig—duglose—lostbreak—brokechoose—chosefreeze—frozespeak—spokewake—wokeforget—forgotcome—camebecome—becamerun—ranfall—fellgive—gave10)改变辅音字母。(1个)make—made11)改变元、辅音字母(4个)leave—leftstand—stoodhave(has)—h
5、adunderstand—understood12)i—a变化(6个)begin—begandrink—dranksing—sangring—rangswim—swamsink—sank13)词尾为-ow,-aw时,过去式将其变为-ew(5个)blow—blewdraw—drewgrow—grewknow—knewthrow—threw14)词尾为“i+辅(1个)+e”,过去式将i变为o(4个)(give,hide除外)drive—drovewrite—wroteride—roderise—rose15无规律变化(10个)be—was(were)eat—atesee—sawhide—hiddo
6、—didfly—flewgo—wentlie—layshow—showedwear—wore16)词尾为-ake时,过去式将其变为-ook(2个)take—tookmistake—mistook17)情态动词型,只有原形和过去式。(4个)can—couldmay—mightwill—wouldshall—should
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