| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] been [vb pp] a | 390 |
|
| 2 | [vb past] [vb pp] a long | 106 |
|
| 3 | [vb past] been a long | 61 |
|
| 4 | been [vb pp] a long | 17 |
|
