学习必备欢迎下载小学一些常记单词:A. 规则动词的过去式变化如下:一般情况下,动词词尾加-ed ,如:worked played wanted acted 以不发音的-e 结尾动词,动词词尾加-d,如:lived moved decided declined hoped judged raised wiped 以辅音字母+ y 结尾的动词,把-y 变为 -i 再加 -ed ,如:studied tried copied justified cried carried embodied emptied 以一个辅音字母结尾的重读闭音节动词,双写词尾辅音字母,再加-ed ,如:stopped begged fretted dragged dropped planned dotted dripped 注:不规则动词的过去式变化规律性不强,须多加记忆
go - went make - made get - got buy - bought come - came fly-flew B.不规则动词过去式及过去分词:am/is –was are — were have/has — had do/does — did can — could will — would shall — should swim — swam sing — sang ring — rang sit— sat come — came give — gave run — ran drink — drank become — became begin — began buy — bought bring — brought catch — caught think — thought teach — taught send — sent build — built go — went spend — spent los