| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] difficult for [pron] [to-vb] | 116 |
|
| 2 | [be] [adj] for [indef pn] [to-vb] | 77 |
|
| 3 | [be] [adj] for [indef pn] [to-vb] | 72 |
|
| 4 | [be] difficult for [indef pn] [verb] | 11 |
|
| 5 | [be] difficult [prep] [indef pn] [to-vb] | 10 |
|
| 6 | [be] difficult for [indef pn] [to-vb] | 10 |
|
| 7 | [be] difficult for [indef pn] [to-vb] | 10 |
|
| 8 | [be] difficult [prep] [indef pn] [to-vb] | 10 |
|
