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英语单词过去分词怎么变

2025-05-03 08:28:58
赵老师
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英语动词过去分词的变化规则可分为以下几种情况:

一、规则动词的变形规则

一般动词

在动词原形后直接加 -ed

例:

- walk → walked → walked

- call → called → called

以“e”结尾的动词

直接加 -d

例:

- move → moved → moved

- live → lived → lived

以辅音字母 + y结尾的动词

将 y变为 i,再加 -ed

例:

- study → studied → studied

- stop → stopped → stopped

重读闭音节,末尾只有一个辅音字母

先双写该辅音字母,再加 -ed

例:

- plan → stopped → stopped

- help → helped → helped

二、不规则动词的变形规则

不规则动词的过去分词需单独记忆,常见形式包括:

单复数同形:

cast → cast → cast

过去分词与过去式相同:

think → thought → thought

特殊变形:

buy → bought → bought

三、发音注意事项

-ed发音规则:

清辅音后读 [t](如 help[helped])

浊辅音/元音后读 (如 move[moved])

以 -t、 -d、 -l、 -th结尾时读 [id](如 needed[needed])

四、示例汇总

| 动词原形 | 过去式 | 过去分词 |

|----------|--------|----------|

| work | worked | worked |

| study| studied | studied |

| stop | stopped | stopped |

| help | helped | helped |

| think| thought | thought |

| buy | bought | bought |

通过以上规则,大多数动词的过去分词变形可通过加 -ed实现,但需注意不规则动词的特殊形式。