push的現在分詞是什么

　　例句：

　　He pushed against the rock with all his strength.

　　他用全力推那塊石頭。

　　We are continuing to push the business forward.

　　我們正在繼續推進業務的發展。

　　The rise in interest rates will push prices up.

　　利率的提高將促使價格上揚。