| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [vb pp] [adv] | 2485 |
|
| 2 | which have been [vb pp] | 1075 |
|
| 3 | which have [vb pp] [adv] | 201 |
|
| 4 | which have been [adv] | 160 |
|
