| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] is [adv] difficult for | 78 |
|
| 2 | [pers pn] is [adv] for [pers pn] | 64 |
|
| 3 | [pers pn] is difficult for [pers pn] | 49 |
|
| 4 | [pers pn] [adv] difficult for [pers pn] | 34 |
|
| 5 | is [adv] difficult for [pers pn] | 24 |
|
