These verbs using non-nouns as objectives can be classified according to their functions, among which the verbs using non-nouns as objectives should be classified into four categories, whereas the verbs using non-nouns as well as nouns as objectives should be divided into nine categories.

An analysis of the theoretical exploration into unaccusative verbs;

This paper briefly introduced the difference between unaccusative verbs and unergative verbs,and mainly studied the unaccusative verbs in English and Chinese respectively,aiming to describe their features in detail.

English and Chinese form a superset-subset relation in terms of unaccusative verbs and psych verbs:English allows causative-alternating unaccusative verb,but Chinese does not; English allows both subject-experiencer and object-experiencer psych verbs,whereas Chinese only allows the former.

Passivization of unaccusatives is a universal feature of the English interlanguage.

This paper, after an analysis of the proposal of Levin & Rappaport Hovac (1995) who argue that locative inversion is possible not only with unaccusative verbs, but also with some unergative ones, presents some new evidence, arguing for the standard analysis of existential verbs that all the existential verbs are unaccusatives.

Since Perlmutter(1978) put forth his Unaccusative Hypothesis, there have been voluminous studies on the unaccusative phenomenon in various languages.