| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it was [adj] [prep] [pron] [to-vb] | 249 |
|
| 2 | it was [adj] [prep] [pron] [to-vb] | 235 |
|
| 3 | it be impossible [prep] [pron] [to-vb] | 52 |
|
| 4 | it [be] impossible [prep] [pron] [to-vb] | 52 |
|
| 5 | [pron] was impossible [prep] [pron] [to-vb] | 20 |
|
| 6 | it was impossible [prep] [pron] [to-vb] | 20 |
|
| 7 | it [was/were] impossible [prep] [pron] [to-vb] | 20 |
|
| 8 | it was impossible [prep] [pron] [verb] | 20 |
|
| 9 | [pers pn] was impossible [prep] [pron] [to-vb] | 20 |
|
| 10 | it was impossible [prep] [pron] [to-vb] | 20 |
|
