| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] been responsible for [adj] | 18 |
|
| 2 | had been responsible for [adj] | 17 |
|
| 3 | [vb past] been responsible for [det] | 9 |
|
| 4 | [vb past] been responsible for [adj] | 8 |
|
