| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [vb pp] [prep] [det] | 2779 |
|
| 2 | which have been [vb pp] [prep] | 2621 |
|
| 3 | which have [vb pp] [prep] [det] | 104 |
|
| 4 | which have been [vb pp] [det] | 15 |
|
| 5 | which have been [prep] [det] | 5 |
|
