is often和often的区别

is often和often的区别？

is often

often释义：

adv. 常常，时常；往往，大多

例句：

We often go to the corner bar to relax ourselves on weekends.

我们周末常去街角的酒吧放松自己。

词组：

often as尽管…常常

as often as每当

more often经常（更多频率）

more often than not通常；多半

how often多长时间一次

视频：

场景会话

He is often late for school. 显然，这个句型要接形容词或副词。

He often comes to school late. 而这个句子中却要用动词。

is often前面跟主语，而often就是一个表示经常的词，用法很广

前者是助动词或系动词加副词的结构，后者是单纯的副词。