surely的形容詞形式是？

I'm sure you'll grow to like her in time.

我肯定你慢慢就會喜歡她了。

Make sure that sign's the right way up.

一定不要把這招牌掛顛倒了。

Your work is all right but I'm sure you could do better.

你的工作還算可以，但我相信你可以幹得更好。

He might get there in time, but I can't be sure.

他有可能準時到達，但我不敢肯定。

I'm sure she's keeping something back from us.

我肯定她有什麼事瞞着我們。