| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been a long time ago | 5 |
|
| 2 | [verb] been a long time ago | 5 |
|
| 3 | been [verb] a long time ago | 5 |
|
| 4 | been [vb pp] a long time ago | 5 |
|
