| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it have been [verb] [prep] | 1975 |
|
| 2 | if it have been [verb] | 223 |
|
| 3 | if it have [verb] [prep] | 103 |
|
| 4 | if it have been [prep] | 16 |
|
