| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] been [vb pp] by [noun sg] | 41 |
|
| 2 | to have be [vb pp] by [noun sg] | 41 |
|
| 3 | [to-vb] be caused by [noun sg] | 5 |
|
