动词的过去式变化规律如下.doc

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1、动词的过去式变化规律如下：1、一般情况下，动词词尾加-ed，如：work---workedplay---playedwanted----wanted2、以不发音的-e结尾动词，动词词尾加-d，如：live---livedhope---hopedclose---closed3、以辅音字母+y结尾的动词，把-y变为-i再加-ed，如：study---studied4、双写再加-ed，如：stop---stopped5、不规则动词的过去式变化规律性不强，须多加记忆。go–wentmake–madeget–gotbuy–boughtcome–camef

2、ly-flewbegin—began，drink—drank，give—gave，ring—rang，sing—sang，sit—sat，swim—swamdrive—drove，write—wrotedraw—drew，grow—grew，know—knew，throw—threw（动词show除外，show—showed）get—gotforget—forgotmeet—metkeep—keptsleep—sleptsweep—sweptspeak—spoketell—toldstand—stood，bring—brought，buy—bo

3、ught，think—thought，catch—caught，teach—taughtcan—could，shall—should，will—wouldcome—came，become—becamesay—saidlet—let，must—must，put—put，read—read/red/am，is—was，are—were，do—did，eat—ate，feel—felt，fly—flew，go—went，have／has—had，leave—left，make—made，may—might，run—ran，see—saw，take—t

4、ook过去式“-ed”的发音规则（1）动词词尾为“t，d”时，发/id/音，want→wantedneed→needed（2）动词词尾为清辅音时，发/t/音。help→helpedlaugh→laughedlook→lookedwash→washedwatch→watched（3）动词词尾为t，d以外之浊辅音或元音时，发/d/音。call→calledstay→stayedcry→cried