Results of official`s physcial exam were notified to them last week为什么不能用现在完成时,Results have been notified to them last week

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Resultsofofficial`sphyscialexamwerenotifiedtothemlastweek为什么不能用现在完成时,Resultshavebeennotifiedtothemla

Results of official`s physcial exam were notified to them last week为什么不能用现在完成时,Results have been notified to them last week
Results of official`s physcial exam were notified to them last week
为什么不能用现在完成时,Results have been notified to them last week

Results of official`s physcial exam were notified to them last week为什么不能用现在完成时,Results have been notified to them last week
last week 是明确表示过去的时间状语,不和完成时连用,还有像 yesterday, last year , a year ago . in 1999 等,都和过去时连用.

因为后面有last week... 一定表过去式