Up until recently, the Inuit people, leading a nomadic existence, have sheltered. in igloos, the ice-block domes that are peculiar to north-central Canada, and in structures made of stones, bones, driftwood, and skins.
语法 Sentence Correction-2469
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正确的用户笔记
chengyuyuan 2014-08-02 16:59:42
关于until recently 后面应该跟什么 tense的问题：应该用 simple past，不应该用 present perfect。Present perfect 考虑的时段必须延续到说话时刻的，而 until recently 是在说话之前已经结束了，所以不能用 present perfect。
siasiasia 2016-04-13 19:24:16
up啰嗦；have shelted说明了 因纽特人现在还shelter 实际上句子说的是现在已经不了。
lxs19950206 2016-05-28 23:31:46
Up until recently, the Inuit people, leading a nomadic existence, have sheltered PROBLEM: The "up" is unnecessary. The present perfect tense starts in the past and continues into the present. But the use of "until recently" implies that this has stopped, so the present perfect doesn't work.
Hellosaaama 2016-10-29 20:55:05
up多余；until recently和过去时态搭配
Lottieeee 2016-09-20 17:35:48
• "Up" is redundant, since "until" already carries this meaning. • The sentence implies that the Inuit are no longer nomads. If they were still nomads, the sentence wouldn't say "until recently"; it would say "until now" (or some equivalent). Remember that "recently", albeit not too long ago, is still a time in the past. So, you need the past tense. In that choice, you'd want "sheltered". Not "have sheltered" (which implies "up to the present").
shisu0610041 2016-09-16 16:48:33
PROBLEM: 1、The "up" is unnecessary. 2、The present perfect tense starts in the past and continues into the present. But the use of "until recently" implies that this has stopped, so the present perfect doesn't work.
ztg591 2016-07-22 17:20:11
D的错误在于until recently暗示了某某动作已经停止不持续;现在完成时说明动作持续->矛盾. up多余.
ztg591 2016-07-22 17:12:44
RON： the passive is not an error. think about the meaning of this sentence. there are two ideas: 1/ they led a nomadic existence (= how they LIVED THEIR WHOLE LIVES) 2/ they slept in certain types of housing (= how ONE ASPECT OF THEIR LIVES worked) now ask yourself... should #1 modify #2, or should #2 modify #1? the an
陈艺蛋蛋蛋 2016-05-17 08:08:10
D的错误在于until recently暗示了某某动作已经停止不持续;现在完成时说明动作持续->矛盾. up多余.
夜夜夜夜天天团 2015-06-02 12:56:28
动词出现太慢 不符合商业思维
huqiao1993 2014-09-14 13:54:42
up until recently,暗指了行为已经结束了，所以过去式比现在完成时更加恰当
