| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] impossible [verb] [pron] | 159 |
|
| 2 | it [be] [adj] [verb] which | 78 |
|
| 3 | it [be] [adj] [verb] which | 76 |
|
| 4 | [pers pn] [be] impossible [verb] which | 12 |
|
| 5 | it [be] impossible [verb] which | 12 |
|
| 6 | [pron] [be] impossible [verb] which | 12 |
|
| 7 | it [be] impossible [verb] which | 12 |
|
