| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [adv] been [verb] | 18761 |
|
| 2 | which have been [verb] | 4625 |
|
| 3 | which have [adv] [verb] | 1554 |
|
| 4 | which have [adv] been | 1378 |
|
