单词什么时候双写加ed
来源:学生作业帮 编辑:百度作业网作业帮 分类:英语作业 时间:2024/08/17 12:22:44
单词什么时候双写加ed
,还有什么时候去y加ies,什么时候去e加ing
,还有什么时候去y加ies,什么时候去e加ing
![单词什么时候双写加ed](/uploads/image/z/1489695-15-5.jpg?t=%E5%8D%95%E8%AF%8D%E4%BB%80%E4%B9%88%E6%97%B6%E5%80%99%E5%8F%8C%E5%86%99%E5%8A%A0ed)
表示一般过去式的动词通常用动词的过去式形式来表示,而动词的过去式是在动词原形的基础上变化的.动词的过去式可分为规则动词和不规则动词.规则动词的过去式变化如下:
(1)一般情况下,动词词尾加 -ed ,如:worked played wanted acted
(2)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
(3)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
(4)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
(5)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 ,is/am-was,are-were ,see-saw ,bring-brought,do-did,teach-taught,think-thought,say-said,sit-sat.read-read,spend-spent,eat-ate,give-gave,sit-sat,tell-told,write-wrote,fell-felt,find-found,hear-heard,know-knew,put-put,grow-grew,take-took,catch-caught,come-came,become-became,swim-swam,sweep—swept,sing—sang,draw—drew,
(1)一般情况下,动词词尾加 -ed ,如:worked played wanted acted
(2)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
(3)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
(4)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
(5)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 ,is/am-was,are-were ,see-saw ,bring-brought,do-did,teach-taught,think-thought,say-said,sit-sat.read-read,spend-spent,eat-ate,give-gave,sit-sat,tell-told,write-wrote,fell-felt,find-found,hear-heard,know-knew,put-put,grow-grew,take-took,catch-caught,come-came,become-became,swim-swam,sweep—swept,sing—sang,draw—drew,