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