是的May I help you?是情态动词引导的一般疑问句。一般疑问句是疑问句的一种。它是指用yes(是)或no(否)来回答的句子。其结构是: 系动词be/助动词/情态动词+主语+其他成分 通常回答为: 肯定:Yes,+主语+提问的助动词. 否定:No,+主语+提问的助动词+not. 如: Are you from Japan﹖ Yes I am. / No I'm not. Is her sister doing her homework now﹖ Yes she is. / No she isn't. 望采纳!...