yesterday是什么时态的时间状语

yesterday是一般过去时时态的时间状语。

yesterday

n.昨天;不久前;近日;往昔。

adv.在昨天。

I took a half day off yesterday.

昨天我休假半天。

That\'s the direct opposite of what you told me yesterday.

那与你昨天告诉我的截然相反。

Unless I\'m mistaken, she was back at work yesterday.

除非是我记错了，她是昨天回来上班的。

They left the day before yesterday.

他们前天就走了。

She started work a week yesterday.

她在一个星期前的昨天就开始工作了。