| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] it have [adv] been [verb] | 30 |
|
| 2 | [adv] it have [adv] been [vb pp] | 27 |
|
| 3 | [adv] it have [adv] been [verb] | 23 |
|
| 4 | [adv] it has [adv] been [verb] | 16 |
|
| 5 | [Wh adv] it have [adv] been [verb] | 7 |
|
| 6 | [adv] it 's [adv] been [verb] | 7 |
|
| 7 | [adv] it had [adv] been [verb] | 7 |
|
