| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] it [is] [adv] [verb] | 436 |
|
| 2 | [Wh adv] it [be] [adv] [verb] | 144 |
|
| 3 | [Wh adv] [pron] [is] [adv] [verb] | 132 |
|
| 4 | [Wh adv] [pers pn] [is] [adv] [verb] | 119 |
|
| 5 | [Wh adv] it [is] [adv] [verb] | 70 |
|
