| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] may have be responsible for | 5 |
|
| 2 | [noun sg] may [vb infin] been responsible for | 5 |
|
| 3 | [noun sg] may [vb infin] be responsible for | 5 |
|
| 4 | [noun sg] may [vb infin] be responsible for | 5 |
|
