| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] [prep] [prep] be | 110 |
|
| 2 | it [vb mod] [be] [prep] [prep] | 45 |
|
| 3 | [vb mod] [be] [prep] [prep] be | 17 |
|
| 4 | it [vb mod] [be] [prep] be | 11 |
|
