| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it have been [verb] [prep] | 1975 |
|
| 2 | but it have been [verb] | 152 |
|
| 3 | but have been [verb] [prep] | 131 |
|
| 4 | but it have [verb] [prep] | 93 |
|
| 5 | but it have been [prep] | 17 |
|
