| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [to-vb] been responsible for | 15 |
|
| 2 | [vb pp] [to-vb] been responsible for | 11 |
|
| 3 | believe [to-vb] been responsible for | 6 |
|
| 4 | believed [to-vb] been responsible for | 5 |
|
| 5 | [to-vb] been responsible for [adj] | 6 |
|
