| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] not [be] | 4545 |
|
| 2 | [pron] can not [be] | 3215 |
|
| 3 | it can [adv] [be] | 1833 |
|
| 4 | it can not [be] | 1053 |
|
