Sammy had fallen asleep by 10.00 o'clock last night

学习 时间:2026-04-09 06:06:25 阅读:3385
Sammy had fallen asleep by 10.00 o'clock last night这句话的介词by能否用before 时态是过去完成时的话 before可以吗?

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甜美的蓝天

温柔的跳跳糖

2026-04-09 06:06:25

y是说到10点截止才睡觉before是说10点之前才睡觉如果用before的话Sammy had been asleep by 10。00 o'clock last nightfallen换成been 因为fallen是不可持续的动词,用been替换

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  • 可靠的冥王星
    回复
    2026-04-09 06:06:25

    y是说到10点截止才睡觉before是说10点之前才睡觉如果用before的话Sammy had been asleep by 10。00 o'clock last nightfallen换成been 因为fallen是不可持续的动词,用been替换

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