Regarding accounts for unaccousative errors in second language acquisition, theoretical hypothesis, such as L1 transfer of tense/aspect, non-target lexical eausativization, over-generalization of participle and NP syntactic movement, mainly focus on the mapping relations between semantics and syntax, and ignores cognitive factors entirely in acquisition, failing to provide a satisfactory account. Error production is an integrated cognitive process. Error analysis model of cognition-based views error production as a result under effects of various cognitive factors and exemplifies the cognitive...
