be的过去式

  • be的过去式,be过去式

    be的过去式、过去分词和现在分词be的过去分词是been,现在分词是being。例如begratefulforwhatsright要对好的事心存感恩。be过去式1、be的过去式:was,用在I,he,she,it和单数第三人称后。were...
    2023 / 07 / 20 2:57:18

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