| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] [prep] | 23916 |
|
| 2 | [be] [prep] [be] | 15373 |
|
| 3 | it [prep] [be] | 1629 |
|
| 4 | it [be] [be] | 20 |
|
