情态助动词有哪些

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  • 情态助动词包括will(would),shall(should),can(could),may(might),must,need,dare,ought to,used to,had better后接原形不定词.情态助动词不受主词的人称和数的限制.两个情态助动词不能连用.如:中文:他将能够及时完成此事.(误)He will can finish it in time.(正)He will be able to finish it in time.同时出现情态助动词will和can,是错误的,will和本动词be构成的简单未来式.