| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it has been [verb] [noun] | 25 |
|
| 2 | it has been [verb] [noun sg] | 15 |
|
| 3 | it has been [vb pp] [noun] | 12 |
|
| 4 | it has been [v-ing] [noun] | 11 |
|
| 5 | it has been [verb] [noun pl] | 6 |
|
