| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it have been [verb] [adv] for | 17 |
|
| 2 | it have [been] [verb] [adv] for | 17 |
|
| 3 | it have [been] [vb pp] [adv] for | 13 |
|
| 4 | it has [been] [verb] [adv] for | 6 |
|
| 5 | it had [been] [verb] [adv] for | 6 |
|
| 6 | it 's [been] [verb] [adv] for | 5 |
|
