| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb mod] [adv] [be] | 9388 |
|
| 2 | it [vb mod] [not/n't] [be] | 4548 |
|
| 3 | [vb mod] [not/n't] [adv] [be] | 2156 |
|
| 4 | it [vb mod] [not/n't] [adv] | 538 |
|
| 5 | it [not/n't] [adv] [be] | 7 |
|
