| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [be] difficult for [pers pn] | 90 |
|
| 2 | [verb] [pron] difficult for [pers pn] | 71 |
|
| 3 | [verb] [pron] [be] for [pers pn] | 34 |
|
| 4 | [verb] [pron] [be] difficult for | 10 |
|
| 5 | [verb] [be] difficult for [pers pn] | 7 |
|
