| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it have been one [prep] [det] | 8 |
|
| 2 | it [verb] been one of [det] | 8 |
|
| 3 | it [verb] been one [prep] those | 7 |
|
| 4 | it had been one [prep] [det] | 6 |
|
| 5 | it [vb past] been one [prep] [det] | 6 |
|
