need做情态动词
问题描述：
need做情态动词
答
情态动词：need do sth. need无时态和语态的变化
实意动词：need to do sth.
need根据第三人称单数加s,并且有时态变化，一般现在时need/needs,过去时needed
答
■作情态动词：通常用在疑问句、否定句中,或与条件句、whether,hardly,nobody等连用.如：Need he go so soon?他这么快就要走吗?He needn’t go.他不必走.If she wants anything,she need only ask.她想要什麽,只需说...