| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] [be] | 12517 |
|
| 2 | [prep] it [be] | 4434 |
|
| 3 | [prep] it [verb] | 3814 |
|
| 4 | [prep] [verb] [be] | 1276 |
|
