| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | in which it [verb] been | 52 |
|
| 2 | in which it have been | 52 |
|
| 3 | in which it [vb -s] been | 42 |
|
| 4 | in which it has been | 37 |
|
| 5 | in which it had been | 10 |
|
| 6 | in which it [vb past] been | 10 |
|
| 7 | in which it 's been | 5 |
|
