can、will、would、shall、may、must等助动词具体怎么用,还有do和ha...答:May I have your name? 我能知道你的名字吗? Shall we begin now? 我们现在就开始吗? You must obey the school rules. 你必须遵守校规。 情态动词数量不多,但用途广泛,主要有下列: can (could), may (might), must, need, ought to, dare (dared), shall (should), will (would) . 情...