| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [adv] impossible [prep] | 36 |
|
| 2 | it [adv] impossible for | 34 |
|
| 3 | it [adv] impossible for | 34 |
|
| 4 | it almost impossible [prep] | 16 |
|
| 5 | it virtually impossible [prep] | 9 |
|
