| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb mod] [not/n't] [be] | 4548 |
|
| 2 | it [modal v] [not/n't] [be] | 4548 |
|
| 3 | [pron] can [not/n't] [be] | 1984 |
|
| 4 | it can [adv] [be] | 1465 |
|
| 5 | it can [not/n't] [be] | 1054 |
|
| 6 | it can [not/n't] [be] | 686 |
|
