i need to have a rest.we ___(walk)non-stop for four hours

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i need to have a rest.we ___(walk)non-stop for four hours

i need to have a rest.we ___(walk)non-stop for four hours
i need to have a rest.we ___(walk)non-stop for four hours

i need to have a rest.we ___(walk)non-stop for four hours
have walked
for引导的时间状语用现在完成时
不明白的再问哟,请及时采纳,多谢!

have walked

强调对现在的影响---要休息了, 用现在完成时

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have been walking
have walked

马不停蹄走了四个小时,我需要休息

have been walking -------用“现在完成进行时”,因为说话的时候还在walking。