| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] [be] | 12517 |
|
| 2 | [Wh adv] it [be] | 4015 |
|
| 3 | [Wh adv] it [verb] | 3527 |
|
| 4 | [Wh adv] [verb] [be] | 66 |
|
