| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] be [adj] for [pron] [verb] | 265 |
|
| 2 | [modal v] be difficult for [pron] [verb] | 30 |
|
| 3 | [vb mod] be difficult [prep] [pron] [verb] | 30 |
|
| 4 | [vb mod] [be] difficult for [pron] [verb] | 30 |
|
