| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it has [adv] been [verb] | 792 |
|
| 2 | has [adv] been [verb] for | 202 |
|
| 3 | it has been [verb] for | 113 |
|
| 4 | it has [adv] [verb] for | 9 |
|
