现在完成时中since和for的区别,各举一个例句

学习 时间:2026-05-29 05:49:10 阅读:4428
现在完成时中since和for的区别,各举一个例句

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闪闪的乌龟

笑点低的河马

2026-05-29 05:49:10

FOR +时间段SINCE +表示过去的时间点/ 从句。如He has worked for two hours 。He has worked since two hours ago。加油!不明白再问!

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    2026-05-29 05:49:10

    FOR +时间段SINCE +表示过去的时间点/ 从句。如He has worked for two hours 。He has worked since two hours ago。加油!不明白再问!

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