. 频度副词含义：表示次数，频率的副词称为频度副词。比如像usually,sometimes,always,often.位置：（1）在be动词之后，eg：she is sometimes very busy.他有时很忙。 （2）在第一个助动词或情态动词之后，eg:I will never forget the first time I met you.我永远不会忘记我们的第一次见面。 （3）在实意动词之前。We often go there.我们经常去那儿。 （4）sometimes可放在句首、句中或句末，often放在句中或句末。Eg：sometimes she watches TV.他有时看电视。 She watches TV often.用法：often,always,usually,等常和一般现在时连用，表示经常或反复发生的动作。Eg：it often rains here.对频度副词的提问用how often.Eg;I sometimes write to my br
