| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] it [modal v] | 1414 |
|
| 2 | [Wh adv] [modal v] [noun] | 653 |
|
| 3 | it [modal v] [noun] | 149 |
|
| 4 | [Wh adv] it [noun] | 11 |
|
