| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb past] [been] one [prep] those | 6 |
|
| 2 | it [vb past] [been] one of those | 6 |
|
| 3 | it had [been] one [prep] those | 6 |
|
| 4 | it [vb past] been one [prep] those | 6 |
|
