perfect tense
短语完成时态
词形变化
perfect tenses
复数
perfect tenses
释义与例句
n.
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1.
A verb form indicating that an action or state has been completed at the present time, in the past, or shall be completed in the future.
完成时态
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2.
A verb form indicating that an action or state has been completed at the present time, in the past, or shall be completed in the future.
Often, specifically, the present perfect tense as distinguished from the past perfect and future perfect tenses.