| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it have been [vb pp] [noun] | 33 |
|
| 2 | it have been [verb] [noun sg] | 31 |
|
| 3 | it has been [verb] [noun] | 25 |
|
| 4 | it had been [verb] [noun] | 21 |
|
| 5 | it have been [v-ing] [noun] | 16 |
|
| 6 | it have been [verb] [noun prp] | 11 |
|
| 7 | it have been [verb] [noun pl] | 8 |
|
| 8 | it 's been [verb] [noun] | 5 |
|
