| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb past] [been] [noun] | 144 |
|
| 2 | it [vb past] been [noun] | 144 |
|
| 3 | it had [been] [noun] | 142 |
|
| 4 | it [vb past] [been] [noun prp] | 78 |
|
| 5 | it [vb past] [been] [noun sg] | 46 |
|
| 6 | it [vb past] [been] [noun pl] | 17 |
|
| 7 | it [vb past] [been] year | 6 |
|
| 8 | it [vb past] [been] years | 6 |
|
