| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adj] how [adv] [pers pn] | 16 |
|
| 2 | it is surprising [Wh adv] [adv] [pers pn] | 7 |
|
| 3 | it is [adj] [Wh adv] often [pers pn] | 7 |
|
| 4 | it is [adj] [Wh adv] [adv] it | 6 |
|
