| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [vb pp] by the time | 12 |
|
| 2 | have been [vb pp] by [art] time | 12 |
|
| 3 | have been [vb pp] by [art] time | 11 |
|
| 4 | had been [vb pp] by [art] time | 7 |
|
