| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [be] difficult for him [verb] | 10 |
|
| 2 | [pers pn] [be] difficult for him [verb] | 10 |
|
| 3 | it [be] difficult for him [verb] | 10 |
|
| 4 | it [be] difficult for him [verb] | 10 |
|
| 5 | [vb mod] [be] difficult for him [verb] | 5 |
|
| 6 | [modal v] [be] difficult for him [verb] | 5 |
|
| 7 | [be] [adv] difficult for him [verb] | 10 |
|
| 8 | [be] [adv] difficult for him [verb] | 10 |
|
