| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] be difficult for [pers pn] [to-vb] | 27 |
|
| 2 | [vb mod] be difficult [prep] [pers pn] [to-vb] | 27 |
|
| 3 | [vb mod] be difficult for [pers pn] [to-vb] | 27 |
|
| 4 | [vb mod] be difficult [prep] [pers pn] [to-vb] | 27 |
|
| 5 | would be difficult [prep] [pers pn] [to-vb] | 11 |
|
| 6 | may be difficult [prep] [pers pn] [to-vb] | 8 |
|
| 7 | [vb mod] be difficult [prep] them [to-vb] | 7 |
|
| 8 | [vb mod] be difficult [prep] you [to-vb] | 6 |
|
| 9 | will be difficult [prep] [pers pn] [to-vb] | 6 |
|
| 10 | [vb mod] be difficult [prep] us [to-vb] | 5 |
|
| 11 | [vb mod] be difficult [prep] him [to-vb] | 5 |
|
