| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but if it [verb] been | 14 |
|
| 2 | but if it [verb] been | 14 |
|
| 3 | but if it [verb] been | 14 |
|
| 4 | but if it have been | 14 |
|
| 5 | but if it [vb past] been | 11 |
|
| 6 | but if it had been | 10 |
|
