| Statements | Number | Percent |
| A. Grammatical errors correction suggestions | 4 | 8% |
| B. Text-specific comments in detail (ideas not clearly enough, lack of critical thinking) | 33 | 66% |
| C. Vocabulary suggestions (e.g. suggesting a better word to replace the original one) | 9 | 18% |
| D. Styles suggestions (e.g. whether it is formal or not) | 3 | 6% |
| Others please specify | 1 | 2% |