| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] been [verb] [prep] several | 10 |
|
| 2 | it [verb] been [vb pp] [prep] several | 10 |
|
| 3 | it [verb] been [prep] several [noun] | 5 |
|
| 4 | it [verb] been [prep] several [noun pl] | 5 |
|
