| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it was [adj] for [pers pn] [verb] | 158 |
|
| 2 | it be impossible for [pers pn] [verb] | 47 |
|
| 3 | it [be] impossible for [pers pn] [verb] | 47 |
|
| 4 | it was impossible for [pron] [verb] | 20 |
|
| 5 | it [was/were] impossible for [pers pn] [verb] | 19 |
|
| 6 | it was impossible [prep] [pers pn] [verb] | 19 |
|
| 7 | [pron] was impossible for [pers pn] [verb] | 19 |
|
| 8 | it was impossible for [pers pn] [verb] | 19 |
|
| 9 | it was impossible [prep] [pers pn] [verb] | 19 |
|
