| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it have been [verb] [prep] | 1975 |
|
| 2 | [coord] have been [verb] [prep] | 891 |
|
| 3 | [coord] it have been [verb] | 416 |
|
| 4 | [coord] it have [verb] [prep] | 238 |
|
| 5 | [coord] it have been [prep] | 31 |
|
