| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] be difficult [prep] him [to-vb] | 10 |
|
| 2 | [pron] be difficult [prep] he [to-vb] | 10 |
|
| 3 | it be difficult [prep] he [to-vb] | 10 |
|
| 4 | it be difficult [prep] he [to-vb] | 10 |
|
| 5 | [pers pn] be difficult [prep] he [to-vb] | 10 |
|
| 6 | [pron] be difficult for he [to-vb] | 10 |
|
| 7 | [pron] was difficult [prep] he [to-vb] | 6 |
|
