| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] been possible [prep] | 17 |
|
| 2 | it [verb] been possible [prep] | 17 |
|
| 3 | it have been possible [prep] | 17 |
|
| 4 | it [verb] been possible [prep] | 17 |
|
| 5 | it [verb] been possible for | 15 |
|
| 6 | it [verb] been possible for | 15 |
|
| 7 | it has been possible [prep] | 11 |
|
| 8 | it [vb -s] been possible [prep] | 11 |
|
| 9 | it [vb past] been possible [prep] | 5 |
|
| 10 | it had been possible [prep] | 5 |
|
