| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it have been [verb] | 6114 |
|
| 2 | have been [verb] [noun] | 3300 |
|
| 3 | it have [verb] [noun] | 933 |
|
| 4 | it have been [noun] | 242 |
|
