| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may be responsible for | 58 |
|
| 2 | [vb infin] be responsible for | 49 |
|
| 3 | may [vb infin] be responsible | 24 |
|
| 4 | may [vb infin] be for | 10 |
|
