职称英语考试理工类语法辅导：助动词
<p> 1.英语中的助动词有下面这些：</p><p> （1）<span word="be">be</span>,<span word="am">am</span>,<span word="is">is</span>,<span word="are">are</span>,<span word="was">was</span>,<span word="were">were</span>,<span word="been">been</span>,<span word="being">being</span></p><p> （2）<span word="have">have</span>,<span word="has">has</span>,<span word="had">had</span>,<span word="having">having</span></p><p> （3）<span word="shall">shall</span>,<span word="will">will</span>,<span word="should">should</span>,<span word="would">would</span></p><p> （4）<span word="do">do</span>,<span word="does">does</span>,<span word="did">did</span></p><p> 这些助动词一般没有词义，主要帮助构成谓语，表示时态、语态、语气等，或构成疑问及否定形式。</p><p> </p>
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