助动词有哪些
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助动词有哪些
助动词有哪些
助动词有哪些
最常用的助动词有:be,have,do,shall,will,should,would
半助动词
功能介绍 在功能上介乎主动词和助动词之间的一类结构,称为半助动词.常见的半助动词有be about to,be due to,be going to,be likely to,be meant to,be obliged to,be supposed to,be willing to,have to,seem to,be unable to,be unwilling to等.
情态助动词
情态助动词 1.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.2.情态助动词不受主词的人称和数的限制.3.两个情态助动词不能连用.中文:他将能够及时完成此事.(误)He will can finish it i.
基本助动词
基本助动词 基本助动词只有三个:be,do,have,他们没有词汇意义,只有语法作用,如协助构成进行体,完成体,被动态,否定句,疑问句等.例如 He is giving a lecture.他在作报告He has made a plan.他已经订了计划The small animals are kept in the cages.小动物都关在笼子里.He doesn't smoke.
一般的助动词有:一般时的do/does, be(am,are,is);完成时have done或had done里面的have/had;将来时的will等