频度副词 前加系动词吗

问题描述:

频度副词 前加系动词吗
不知道频度副词到底加不加系动词?
例:I+am+频度副词,还是I+频度副词

加不加都看具体的情况
1: she is always late for school
2: he often eat noodles and she sometimes eat them.