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

Table 2

Data statistics of evaluation tasks.

Type of error	Training set number	Training set percentage	Test set number	Test set percentage
Article	665	14.8	690	19.9
Preposition	240	5.3	312	9.0
Noun	377	8.4	396	11.4
Subject-verb agreement	145	3.2	122	3.5
Verb form	152	3.4	124	3.6
Five types	582	35.1	1644	47.4
All types	651	100	3470	100.0