Adopting the descriptive and contrastive analytical approach,the present study carries out the translation quality assessment of modal meaning in Chinese legislative texts at the lexical level by the employment of two parameters:modal type and modal value in modality theory.

Based on the order of the grammaticalization of the modality semantic type,this paper conducts an analysis from three perspectives,pragmatic inference,the syntactic inner elements and potential verb-complement.

Type of Plot in the Story of Mu Lian Saving his Mother and the Mechanism of Development;

It proposes that:(i)the implied agent of middle verb is arbitrary referential;(ii)two natures,the stative situation type and the generic meaning proposition can be found in middle constructions;(iii)the sentence initial NP of middle construction is generic with respect to referential meaning;and(iv)the sentence pattern meaning of middle constructions can be generalized as following:whenever .

Sentences with verb reduplication are perfective semantically and indicate both situation type and viewpoint.

In the perspective of grammar research for teaching Chinese as a foreign language,this thesis, which is based on the situation type theory, starting from the aktionsart classification of verbs, studies the following issues.