| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] be responsible [prep] | 108 |
|
| 2 | [vb past] be responsible for | 103 |
|
| 3 | [vb past] been responsible [prep] | 103 |
|
| 4 | had be responsible [prep] | 102 |
|
