1、ModalVerbI情态动词Unit1Grammar情态动词表示说话人的某种感情或语气,对某一动作或状态的某种态度。表示“需要、可以、必须、应当”等。什么是情态动词?(ModalVerbs)UnderlinethemodalverbsMostancientfestivalswouldcelebrate theendofcoldweather.Itisnowachildren'sfestival,whentheycan dressupIftheneighborsdonotgiveanysweets,thechildrenmight playatrick on them