| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] not be change | 97 |
|
| 2 | [modal v] not be changed | 95 |
|
| 3 | can not be change | 66 |
|
| 4 | can not be change | 66 |
|
| 5 | could not be change | 10 |
|
| 6 | could not be change | 10 |
|
| 7 | should not be change | 6 |
|
| 8 | should not be change | 6 |
|
