（抄来的）带情态动词dare或need的反意疑问句,疑问部分常用need (dare ) +主语.
We need not do it again, need we ?
He dare not say so, dare you?
当dare, need 为实义动词时,疑问部分用助动词do + 主语.
She doesn't dare to go home alone, does she?