often后加什么？

1、often后接动词原形用于一般现在时

例I often go to the library on Sundays.

我经常星期天去图书馆。

2、often后接动词过去式用于一般过去时

例I sometimes went the park on weekends.

我过去有时候周末去公园。

These fish are often eaten raw.

这些鱼常常生吃。

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。

I often have terrible nightmares.

我经常做可怕的恶梦。

I often skip breakfast altogether.

我常常干脆不吃早饭。