| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be impossible [verb] [adj] | 37 |
|
| 2 | it [be] impossible [to-vb] [adj] | 37 |
|
| 3 | it [be] impossible [verb] [adj] | 37 |
|
| 4 | it is impossible [verb] [adj] | 27 |
|
| 5 | it [is] impossible [verb] [adj] | 27 |
|
| 6 | it was impossible [verb] [adj] | 10 |
|
| 7 | it [was/were] impossible [verb] [adj] | 10 |
|
| 8 | it [be] impossible get [adj] | 5 |
|
| 9 | it [be] impossible to get [adj] | 5 |
|
