1、完整word版)一般过去时动词的变化规则
一般过去时动词的变化规则
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
2、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
不规则动词的过去式：
a。过去式与动词原形的拼写形式相同：
let → let, put → put， read → read（注意read的过去式读［red]）
b。 i → a:
beg
3、in → began, drink → drank, give → gave， ring → rang, sing → sang， sit → sat, swim → swam
c. i → o：
drive → drove, ride → rode, write → wrote
d。 ow → ew:
grow → grew, know → knew, throw → threw
e. 含ough或augh的：
bring → brought, buy → bought， think → thought；catch → caught， teach → taught
f。 am is ---was are ——-were do—--did can——-could come--—came
不规则动词的过去式平时出现要留心，逐个熟记，注意积累。
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