| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] difficult [pers pn] [be] | 121 |
|
| 2 | difficult [pers pn] [be] for | 31 |
|
| 3 | [Wh adv] [pers pn] [be] for | 24 |
|
