A Study of Peer Review in English Writing from the Perspective of Interpersonal Function

In view of the problem that sentence evaluation mechanism correctionnet focuses on grammar and vocabulary modification, this paper, based Halliday's interpersonal metafunction theory framework, sets up a peer assessment scale from three aspects: modal verbs, adjuncts evidentiality. Taking English majors in provincial universities as test subjects, paper makes comparative analysis their functional language representation data before after training. The results study verified applicability popularization scale, complied with demand combining online offline teaching methods to improve learners' writing ability age.