大师作文网They ---- the park in the morning before you ---- them.
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They ---- the park in the morning before you ---- them.
A.have got to;call B.have got;called
A.have got to;call B.have got;called
They --have got yo-- the park in the morning before you -call--- them.
本题为时间状语从句,如果从句中的时间是如B答案---called 一般过去时,那么主句则为过去完成时态.故B不对
A中的从句时现在时,那么主句强调动作已完成,可采用现在完成时.
故A正确
再问： “before you call-- them” 你给他们的电话之前，不是在过去发生的事吗？
再答： 本身现在完成时就是体现在过去发生的事件或者动作对于当前 的影响。 如I have called you twice (我给你打过2次电话了----言外之意，打电话的动作在过去发生过2次了.）
本题为时间状语从句,如果从句中的时间是如B答案---called 一般过去时,那么主句则为过去完成时态.故B不对
A中的从句时现在时,那么主句强调动作已完成,可采用现在完成时.
故A正确
再问： “before you call-- them” 你给他们的电话之前，不是在过去发生的事吗？
再答： 本身现在完成时就是体现在过去发生的事件或者动作对于当前 的影响。 如I have called you twice (我给你打过2次电话了----言外之意，打电话的动作在过去发生过2次了.）
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