Research and Implementation of English Grammar Check and Error Correction Based on Deep Learning

Table 1

Classification of grammatical errors [17].

Type	Content
Vt	Verb tense
Vm	Verb modality
V0	Missing verb
V form	Verb form
SVA	Subject-verb agreement
Art or Det	Article
Nn	Noun (singular and plural)
Npos	Word possessive
Pform	Pronoun form
Pref	Pronoun reference