| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be [verb] for [verb] | 433 |
|
| 2 | [modal v] [verb] responsibility for [verb] | 27 |
|
| 3 | be [verb] responsibility for [verb] | 18 |
|
| 4 | [modal v] be [verb] responsibility for | 9 |
|
