| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] [prep] | 55525 |
|
| 2 | which have been [verb] | 4625 |
|
| 3 | which have [verb] [prep] | 2066 |
|
| 4 | which have been [prep] | 225 |
|
