study-----studied try------tried copy------copied justufy----justified cry----cried carry-----carried embody-----embodied tidy-tidied
empty----emptied hurry----hurried spy----spied marry-married worry-worried simplify-simplified
1
双写词尾辅音字母加ed
stop-stopped drop-dropped
fit-fitted travel-travelled beg-begged rob-robbed pat-patted
drip-dripped
plan-planned hug-hugged
特殊词的过去式
eat-ate write-wrote sing-sang ride-rode swim-swam hurt-hurt wear-wore put-put come-came run-ran
以辅音字母加y结尾的单词变比较级 happy----happier easy----easier buzy----buzier
lazy----lazier crazy----crazier
2
dirty----dirtier
3
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