| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it was [adj] [prep] [pers pn] [to-vb] | 239 |
|
| 2 | it [be] difficult [prep] [pers pn] [to-vb] | 68 |
|
| 3 | it be difficult [prep] [pers pn] [to-vb] | 68 |
|
| 4 | it was difficult [prep] [pron] [to-vb] | 18 |
|
| 5 | it was difficult [prep] [pers pn] [to-vb] | 17 |
|
| 6 | it was difficult [prep] [pers pn] [to-vb] | 17 |
|
| 7 | it [was/were] difficult [prep] [pers pn] [to-vb] | 17 |
|
| 8 | [pers pn] was difficult [prep] [pers pn] [to-vb] | 17 |
|
| 9 | it was difficult [prep] [pers pn] [verb] | 17 |
|
| 10 | [pron] was difficult [prep] [pers pn] [to-vb] | 17 |
|
