| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [verb] [adv prt] by | 1028 |
|
| 2 | to have been [verb] by | 515 |
|
| 3 | to have been [verb] [adv prt] | 140 |
|
| 4 | to have [verb] [adv prt] by | 8 |
|
