如always usually often sometimes never 等这些频率副词的位置通常位于句子中的哪里?补充：如always usually often sometimes never 等这些频率副词的位置通常位于句子中_____动词前,_____ ,_____和_____动词后.

如always usually often sometimes never 等这些频率副词的位置通常位于句子中的哪里?补充：如always usually often sometimes never 等这些频率副词的位置通常位于句子中_____动词前,_____ ,_____和_____动词后.
如always usually often sometimes never 等这些频率副词的位置通常位于句子中的哪里?
补充：如always usually often sometimes never 等这些频率副词的位置通常位于句子中_____动词前,_____ ,_____和_____动词后.

如always usually often sometimes never 等这些频率副词的位置通常位于句子中的哪里?补充：如always usually often sometimes never 等这些频率副词的位置通常位于句子中_____动词前,_____ ,_____和_____动词后.
简言之就是“行前be后”
空格中依次填入 行为动词（或实意动词）；be动词； 助动词；情态动词