| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] been a long time | 42 |
|
| 2 | [vb -s] been a long time | 42 |
|
| 3 | 's been a long time | 28 |
|
| 4 | has been a long time | 14 |
|
