| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | how difficult [pers pn] is to get | 10 |
|
| 2 | [adv] difficult [pers pn] is to get | 10 |
|
| 3 | [Wh adv] difficult [pers pn] is to get | 10 |
|
| 4 | how difficult [pers pn] is to get | 10 |
|
