| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [subord] it [verb] | 422 |
|
| 2 | [be] [subord] it [verb] | 201 |
|
| 3 | it [be] [subord] it | 151 |
|
| 4 | it [be] it [verb] | 66 |
|
| 5 | it [be] [subord] [verb] | 48 |
|
