| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [be] difficult for [pers pn] | 36 |
|
| 2 | [modal v] have [be] difficult for | 20 |
|
| 3 | [modal v] have [be] for [pers pn] | 8 |
|
| 4 | have [be] difficult for [pers pn] | 7 |
|
