动词过去分词变化规则课件.ppt

1、动词过去式变化规则一、规则变化1、一般情况下，动词词尾加-ed,如：workworkedplayplayedwantwantedaskasked 2、以不发音的-e结尾动词，动词词尾加-d,如：livelivedmovemovedtastetasted 3、以“辅音字母+y”结尾的动词，把y改成i,加ed,如：studystudiedtrytriedcopycopiedcarrycarried 4、重读闭音节动词，双写词尾辅音字母，再加ed,如：stopstopped 二、不规则变化 isamwasareweredodidhavehadgowentmeetmetcomecametaketook

2、stealstoleeatateflyfliewrunranseesawsaysaidmakemadefindfoundstandstood sitsatsingsangdrinkdrankgivegaveringrangswimswam writewroteriderodedrivedrove drawdrewgrowgrewknowknew getgotforgetforgot sweepsweptkeepkeptsleepslept speakspokebreakbroke telltoldsellsold buyboughtthinkthoughtcatchcaughtteachtaughtbuildbuilt cancouldshallshouldwillwould 过去式与动词原形一样：letletmustmustputputreadread 三、动词过去式构成读音 1、清辅音后读清辅音t（清读清）如：jumplike 2、浊辅音后读浊辅音d（浊读浊）如：listenpull 3、元音后面读浊辅音d（元音后面读浊音）如：waterplay 4、td后面读idwantneed12以上有不当之处，请大家给与批评指正，以上有不当之处，请大家给与批评指正，谢谢大家！谢谢大家！