| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] [verb] | 51078 |
|
| 2 | it [be] [prep] | 23930 |
|
| 3 | [be] [prep] [verb] | 6048 |
|
| 4 | it [prep] [verb] | 1350 |
|
