| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] [verb] | 51063 |
|
| 2 | [interj] it [be] | 4565 |
|
| 3 | [interj] it [verb] | 858 |
|
| 4 | [interj] [be] [verb] | 92 |
|
