| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb past] been [prep] [det] [noun] | 7 |
|
| 2 | it had [been] [prep] [det] [noun] | 7 |
|
| 3 | it [vb past] [been] [prep] [det] [noun] | 7 |
|
| 4 | it [vb past] [been] [prep] [det] [noun sg] | 6 |
|
