| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be difficult for [pers pn] [to-vb] | 106 |
|
| 2 | is difficult for [pers pn] [to-vb] | 41 |
|
| 3 | be difficult for [pers pn] [to-vb] | 31 |
|
| 4 | be difficult for them [to-vb] | 27 |
|
| 5 | be difficult for us [to-vb] | 24 |
|
| 6 | was difficult for [pers pn] [to-vb] | 19 |
|
| 7 | be difficult for him [to-vb] | 16 |
|
| 8 | be difficult for me [to-vb] | 15 |
|
| 9 | 's difficult for [pers pn] [to-vb] | 13 |
|
| 10 | be difficult for you [to-vb] | 13 |
|
| 11 | be difficult for her [to-vb] | 9 |
|
| 12 | be difficult for [pers pn] to understand | 6 |
|
| 13 | be difficult for [pers pn] to make | 6 |
|
