可以说，汉语介词可能是一部分非终结动词在连动结构或兼语结构中由语义降级而产生的句法后果。

It is reasonable to say that the prepositions of Chinese may be a syntactic result of the semantic demotion of some non-terminating verbs in the serial verb construction or the pivotal construction.

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本文跟据英语动词词汇意义所暗含的体态特征，将英语动词分为终结动词、完成动词、活动动词、持续动词四类。

English verbs can be divided into four groups: achievement verb, accomplishment verb, activity verb and state verb. According to the aspect characteristics contained in English verbs.

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