| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] [verb] | 51078 |
|
| 2 | [be] [be] [verb] | 16842 |
|
| 3 | [be] it [verb] | 1834 |
|
| 4 | [be] it [be] | 1622 |
|
