| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [vb pp] by [noun sg] | 364 |
|
| 2 | has been [vb pp] by [det] | 223 |
|
| 3 | been [vb pp] by [det] [noun sg] | 166 |
|
| 4 | has been [vb pp] [det] [noun sg] | 117 |
|
