| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] been a | 3172 |
|
| 2 | [vb past] a [num] | 1376 |
|
| 3 | [vb past] been [num] | 528 |
|
| 4 | been a [num] | 80 |
|
