| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was [adj] [prep] him [to-vb] | 72 |
|
| 2 | was difficult [prep] [pron] [to-vb] | 20 |
|
| 3 | was difficult [prep] [pers pn] [to-vb] | 19 |
|
| 4 | be difficult [prep] him [to-vb] | 16 |
|
| 5 | [be] difficult [prep] him [to-vb] | 16 |
|
| 6 | [was/were] difficult [prep] him [to-vb] | 6 |
|
| 7 | was difficult [prep] him [verb] | 6 |
|
| 8 | was difficult [prep] he [to-vb] | 6 |
|
| 9 | was difficult [prep] him [to-vb] | 6 |
|
