| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | all of which [verb] been | 32 |
|
| 2 | all of which have been | 32 |
|
| 3 | all of which have been | 17 |
|
| 4 | all of which [vb base] been | 17 |
|
| 5 | all of which had been | 13 |
|
| 6 | all of which [vb past] been | 13 |
|
