| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [verb] [prep] | 17164 |
|
| 2 | been further [verb] [prep] | 69 |
|
| 3 | has been further [verb] | 44 |
|
| 4 | has further [verb] [prep] | 5 |
|
