| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | can not be [verb] | 6365 |
|
| 2 | can not be [vb pp] | 6254 |
|
| 3 | [modal v] not be changed | 103 |
|
| 4 | can [adv] be changed | 94 |
|
| 5 | can not be change | 71 |
|
| 6 | can not [be] changed | 70 |
|
