情态动词（Modal Verbs）在英语中属于一类特殊的动词，它们通常用来表达情感、态度、意愿、建议、推测等含义。以下是50个常见的情态动词，让我们来一起学习它们的用法和意义吧！
- can - 能够
- could - 可以，能够（过去式）
- may - 可能，可以
- might - 可以，可能
- must - 必须
- shall - 将会，应该
- should - 应该
- will - 将会
- would - 将会，愿意（过去式）
- ought to - 应该
- had better - 最好
- have to - 不得不
- need to - 需要
- used to - 过去常常
- be able to - 能够
- be allowed to - 被允许
- be supposed to - 应该
- dare - 敢
- have got to - 不得不
- be going to - 将要
- be supposed to - 应该
- be likely to - 可能
- be unlikely to - 不可能
- be willing to - 愿意
- be unable to - 不能
- be required to - 被要求
- be expected to - 被期望
- be obliged to - 必须
- be accustomed to - 习惯于
- be prone to - 易于
- be liable to - 有可能
- be capable of - 能够
- be certain to - 必定
- be likely to - 可能
- be sure to - 确定
- be eager to - 渴望
- be ready to - 准备好
- be willing to - 愿意
- be keen to - 渴望
- be happy to - 高兴
- be afraid to - 害怕
- be reluctant to - 不情愿
- be sorry to - 遗憾
- be pleased to - 高兴
- be surprised to - 惊讶
- be disappointed to - 失望
- be excited to - 兴奋
- be annoyed to - 恼火
- be embarrassed to - 尴尬
- be frustrated to - 受挫
以上就是50个常见的情态动词，它们在句子中可以起到不同的作用，掌握它们的用法和意义对于学好英语非常重要。希望这篇文章对你有所帮助！
