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时间:2020-03-22
《动词时态词的变化规律.doc》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、动词在不同时态中的变化一、单数第三人称:动词词尾加s的方法与名词复数词尾的加法一样:1、一般情况下加s:如helps;makes等。2、以ch,sh,s,x,o结尾的词加es:如watches;washes;guesses;fixes;goes等。3、以“辅音字母+y”结尾的词变y为i再加es。如flies;tries等。4、特殊变化:be---iswas;have---has;do--does二、现在分词:多数动词词尾直接加ing1、动词以辅音字母加e结尾时,去掉e再加-ing。如make---makingtake---takingwrite---writing等。2、动词以重读闭
2、音节结尾,双写最后一个辅音字母再加-ing。如sit---sittingstop---stoppingrun---running等。三、动词过去时的构成:多数动词后直接加ed1、以不发音的e结尾,直接加d:dance—danced,lived,hoped,used2、以“辅音字母+y”结尾的词变y为i再加ed:study—studiedcarry—carriedworry—worried3、动词以重读闭音节结尾,双写最后一个辅音字母再加edstop—stoppedplan—plannedtrip—tripped4、许多不规则动词: am,is—wasare—werehave—haddo
3、—did go—wentcome—camesay—saiddraw—drewread—readfly—flewmay—mightswim—swamsing—sangeat—atetake—tookbuy—boughtsee—sawleave—leftget—gotwin—won词型转换一、缩写词:1.isnot=isn’tarenot=aren’tdonot=don’tdoesnot=doesn’tdidnot=didn’tletus=let’swhois=who’stheyare=they’reIwould=I’dcannot=can’tIwill=I’llwewill=we’ll2
4、.星期和月份缩写时保留前三个字母,但September=Sept3.序数词的变化:数字加最后两个字母:first=1st4.长度单位(unitsoflength)km=kilometerm=metercm=centimetermm=millimeterft=footfeet5.重量单位(unitofweight)tnt=tonkg=kilogramg=gram二、同音词:no—knowhear—herewhere—wearby—buypear—pairtheir—therehigh—hi三、近义词: tonight—thiseveningfind—lookforill—sick四、
5、反义词:tall—shortlong—shortold—youngheavy—lightfat—thinbig—smallhappy—sadgood—badgo—stopright—leftnorth—southeast—westactor—actressgeton—getoffgetup—gotobedup—downstand—sitcheap—expensivehot--coldputon—takeoffblack—whiteopen—closecool—warmon—underinfrontof—behindquiet—activestrict—kind四、动词变名词:sing—
6、singerwrite—writeract—actorart—artistclean—cleanerdance—dancerdrive—driverteach—teacher五、名词变形容词:China—Chineserain—rainycloud—cloudysnow—snowysun—sunnycolour—colourful六、形容词变副词:heavy—heavily七、以下动词的过去式尽量背会:tell—toldrun—ransay—saidsit—satcome—camelose—lostwear—woreforget—forgotsleep—sleptwake—wokest
7、and—stoodgive—gavewrite—wrotemake--made
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