| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it have been [verb] [prep] | 1975 |
|
| 2 | [adv] have been [verb] [prep] | 1298 |
|
| 3 | [adv] it have been [verb] | 339 |
|
| 4 | [adv] it have [verb] [prep] | 267 |
|
| 5 | [adv] it have been [prep] | 27 |
|
