| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb mod] be | 41654 |
|
| 2 | [vb mod] be [prep] | 14380 |
|
| 3 | it [vb mod] [prep] | 1342 |
|
| 4 | it be [prep] | 125 |
|
