没有说副词一定要放在动词后面,连句首都可以放：eg Luckily,i won the game.
系动词应放在副词之前,
但如果句子中既有情态动词又有系动词时,副词应放在第一个情态动词或助动词之后.例如这句always 应放在be 之前.i will always be ready to help you.