| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [verb] [prep] a | 1853 |
|
| 2 | which has been [verb] [prep] | 833 |
|
| 3 | which has [verb] [prep] a | 50 |
|
| 4 | which has been [verb] a | 29 |
|
| 5 | which has been [prep] a | 5 |
|
