| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] been [adv] | 6646 |
|
| 2 | been [adv] since | 123 |
|
| 3 | [vb past] been since | 21 |
|
| 4 | [vb past] [adv] since | 19 |
|
