| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [adv] responsible for the | 15 |
|
| 2 | [verb] been [adv] responsible for the | 15 |
|
| 3 | has been [adv] responsible for the | 5 |
|
| 4 | [vb -s] been [adv] responsible for the | 5 |
|
