| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [verb] been [adv] [prep] [det] | 5 |
|
| 2 | which [verb] been [adv] [prep] [det] | 5 |
|
| 3 | which have been [adv] [prep] [det] | 5 |
|
