open的过去式加过去分词是啥?哪位大大来啰嗦一两句.

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open的过去式加过去分词是啥?哪位大大来啰嗦一两句.

open的过去式加过去分词是啥?哪位大大来啰嗦一两句.
open的过去式加过去分词是啥?哪位大大来啰嗦一两句.

open的过去式加过去分词是啥?哪位大大来啰嗦一两句.
open--opened--opened

opened,opened

额 直接加ed吧

过去式opened
过去分词opened

buy bought bought
do did done
have had had
see saw seen
open opened opened

过去式和过去分词都是opened

都是opened