often后面加什么形式的动词

　　例句：

　　We often slept under the stars.

　　我们经常在夜空下露宿。

　　I often go running before work.

　　我常常在上班前跑步。

　　He often wore a baseball cap.

　　他经常戴顶棒球帽。

　　Disease often goes with poverty.

　　疾病与贫穷常常相伴而生。

　　The plot often borders on farce.

　　那种情节常常近乎滑稽。