yet是什麼時態的標誌詞

They haven't yet put a price on the business.

他們還沒有給這筆生意開價。

You're good for a few years yet.

你還可以活上幾年。

We haven't won yet, not by any means.

我們離成功還遠着呢。

You don't need to leave yet, do you?

你不必現在就走吧？

Details of the government report have not yet been made public.

政府報告的細節尚未公佈。