drive的過去式和過去分詞怎么寫?

　　The enemy was driven back.

　　敵人被擊退了。

　　He was driven to the brink of madness.

　　他被逼到了瘋狂的邊緣。

　　They have driven the rhino to the edge of extinction.

　　他們已經(jīng)把犀牛逼到了滅絕的邊緣。