| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb mod] be | 41654 |
|
| 2 | [vb mod] [not/n't] be | 35057 |
|
| 3 | it [vb mod] [not/n't] | 10287 |
|
| 4 | it [not/n't] be | 141 |
|
