| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which have been [verb] in | 548 |
|
| 2 | have been [verb] [adv] in | 500 |
|
| 3 | which have been [verb] [adv] | 310 |
|
| 4 | which have [verb] [adv] in | 46 |
|
