| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] [adj] for us [to-vb] | 114 |
|
| 2 | it [be] [adj] for us [to-vb] | 107 |
|
| 3 | it [be] impossible for [pron] [to-vb] | 52 |
|
| 4 | it [be] impossible for [pers pn] [to-vb] | 47 |
|
| 5 | [pers pn] [be] impossible for us [to-vb] | 9 |
|
| 6 | it [be] impossible for us [to-vb] | 9 |
|
| 7 | it [be] impossible [prep] us [to-vb] | 9 |
|
| 8 | [pron] [be] impossible for us [to-vb] | 9 |
|
| 9 | it [be] impossible for us [to-vb] | 9 |
|
| 10 | it [be] impossible [prep] us [to-vb] | 9 |
|
| 11 | it [be] impossible for us [to-vb] | 9 |
|
| 12 | it [be] impossible for us [verb] | 9 |
|
| 13 | it [be] impossible for we [to-vb] | 9 |
|
