Present Perfect: Connect Past to Now
先写下记得的内容，再查看解释。不要填写个人信息。
查看解释
The present perfect views previous actions through the lens of the present. It indicates whether an event has taken place before now, highlights a recent change whose effect continues, or counts occurrences inside an unfinished time block like today or this month.
I have misplaced my security badge, so I need a temporary pass.