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匿名用户2024-01-30几天，强调过去式中几天的持久性。
将来时也可以。 例如：我下个月要去上海几天
he stayed at home for a few days , then he went back to school .
in a few days （within） 用于将来时。
i"ll be back in a few days.（从说话的时候开始）。
几天后（用于过去时）。
i was back after a few days.（从你离开家的那一刻起）。
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匿名用户2024-01-29以 5 天为例。
for 5 days 是 5 天的周期，一般用在完成时。
in 5 days is within 5 days， 一般指第 5 天，根据标题，在将来时或现在时。
5 天后是 5 天后，通常是第 6 天或更长时间。
介词也可以用作 over、within、during、before、
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匿名用户2024-01-28因为有些日子，在是这些日子里的任何一天，不确定，之后是几天后。
我不熟悉其他任何东西。
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匿名用户2024-01-27几天，做某事会持续几天。
in a few days 用于将来时。
几天后，几天后，有很多时态可用。
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匿名用户2024-01-26英 [in ei fju： de z] 美 [ n e fju dez].
几天后; 日。
例句 1 in a few days time the sprouts will be ready to eat.
再过几天，抱子甘蓝就可以吃了。
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匿名用户2024-01-25选择 in + for a time 表示在一定时间后，而会有
因此，请选择特定日期或特定早晨下午和晚上的 bon plus，例如：1 月 1 日或周一早上，在一个温暖的早晨
Since 是现在完成时，即现在完成时时用 since 的句子。
after+表示一段时间，表示在一段时间后，但after表示从过去时间开始的一段时间后，所以通常与过去时结合使用。
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匿名用户2024-01-24几天 = 一些几天 例句：她要在那里呆几天
she is going to stay there for some/several days .
她要在那里呆几天。
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匿名用户2024-01-23(1) a day after;一天后 = 一天过去后。
a) he died a day after his wife left him.
b) after a day staying in hospital, he died peacefully.
2）几天前=几天前（谷歌翻译错误：几天前）。
a) he died a fews days ago
b) his wife left him a few days ago. he died yesterday.
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匿名用户2024-01-22(1) a day after;一天后 = 一天过去后。
a) he died a day after his wife left him.
b) after a day staying in hospital, he died peacefully.
2） 几天前 = 几天前。
a) he died a fews days ago
b) his wife left him a few days ago. he died yesterday.