| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb -s] been a long time | 37 |
|
| 2 | it [vb -s] been [art] long time | 37 |
|
| 3 | it 's been [art] long time | 28 |
|
| 4 | it has been [art] long time | 9 |
|
