| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb mod] not [be] | 4545 |
|
| 2 | it [modal v] not [be] | 4545 |
|
| 3 | [pron] can not [be] | 1982 |
|
| 4 | it can [adv] [be] | 1465 |
|
| 5 | it can not [be] | 1053 |
|
| 6 | it can not [be] | 685 |
|
