| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [vb mod] [not/n't] [be] | 14578 |
|
| 2 | it [vb mod] [adv] [be] | 9388 |
|
| 3 | it [vb mod] [not/n't] [be] | 4549 |
|
| 4 | it [modal v] [not/n't] [be] | 4548 |
|
