"by then "用什么时态?

如题所述

by then用将来完成时

Be married next Christmas, for you will have got your master's degree by then.
明年圣诞结婚吧, 因为到那时你已经拿到硕士学位了。

It was by then overshadowed, militarily, by Russia.
军事上,它那时已经处在俄国的下风。
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第1个回答  2008-09-29
by then, 到那时,用将来时。

比如:Give it another 10 years. By then, China will be even stronger.
再等十年时间吧。到那时,中国一定比现在更强大。
第2个回答  2008-09-29
现在将来时..
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