| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] been before [art] | 24 |
|
| 2 | [vb past] be before the | 24 |
|
| 3 | [vb past] be before [art] | 24 |
|
| 4 | had be before [art] | 22 |
|
