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有Often就记住在助动词,do ,does 后面,在实意动词前面就可以了。
often英 [fn] 美 [fn]
adv.时常;常常;往往;大多
be动词的后面 often 这一类的副词,位置为行前系后,所为行前就是行为动词前,也叫实意动词前。所为的系后,则稍微多一些,包含be动词(am ,is are),助动词(do ,does did have,has had ),情态动词(can may must)的后面。
例句:
We don't often have time to talk.
我们常常没有时间谈话。
It is not often that you get such an opportunity.
你得到这样的机会,可不是常有的事。