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单词 present perfect
释义
present perfect

present perfect n: (tense: have been doing, etc.) (语法现象)
SC 现在完成时 xiàn zài wán chéng shí
The present perfect is used for situations that began in the past and have continued until the present.

present perfect tense, present perfect n: (grammar: have been, etc.) (语法结构为:have + 过去分词)
SC 现在完成时态 xiàn zài wán chéng shí tài
In this exercise, students have to decide whether to use the present perfect tense or the past simple tense.
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更新时间:2025/1/4 11:39:52