dare做情态动词,否定是什么样的

作为情态动词不需要例如cannot do 类似dare not do;作为实义动词是 dare not to do sth实义动词 1。敢; 敢做 He didn't dare to speak to her。他不敢和她说话。I dare you to jump over the stream。我谅你不敢跳过这条小河。2。激（某人做某事）；问（某人）有没有胆量（做某事）；谅（某人）没胆量（做某事） I dared him,but he didn't。我向他挑战,可是他不敢应战。3。敢尝试；敢做；敢冒…的险,敢冒(风险) The explorers dared the dangers of the ice north。探险者们敢于冒北方冰雪严寒的危险。情态动词：1。敢,竟敢 I daren't ask her for a rise。我不敢向她要求加薪。I don't know whether he dare try。我不知道他是否敢试一试。She wanted the money badly,but she daren't ask for it。她急需用钱,但却不敢要。He dare not mention the subject again。他不敢再提起那个话题。We're so late I daren't look at my watch。我们太迟了,我连手表都不敢看一眼。I daren't think how much it's going to cost。我没敢想这得花多少钱。He dared not show that he was pleased。他不敢表示自己觉得高兴。Dare you tell him the news?你敢告诉他这个消息吗?I show him my new blouse but I dared not tell him how much it cost。我给他看了我的新衬衫,但没敢告诉他花了多少钱买的。