| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it have been for | 83 |
|
| 2 | it [vb -s] been for | 42 |
|
| 3 | it had been for | 40 |
|
| 4 | it [vb past] been for | 40 |
|
| 5 | it has been for | 34 |
|
| 6 | it 's been for | 8 |
|
