| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it 's been [vb pp] | 611 |
|
| 2 | 's been [vb pp] for | 64 |
|
| 3 | it 's [vb pp] for | 36 |
|
| 4 | it 's been for | 8 |
|
