| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] it 's | 8331 |
|
| 2 | [Wh adv] it [be] | 4015 |
|
| 3 | [Wh adv] it be | 4014 |
|
| 4 | [Wh adv] it [is] | 2473 |
|
| 5 | [Wh adv] [pron] 's | 1367 |
|
| 6 | [Wh adv] [pers pn] 's | 1113 |
|
| 7 | [Wh adv] it 's | 674 |
|
