| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] it have been | 163 |
|
| 2 | [Wh adv] it had been | 75 |
|
| 3 | [Wh adv] it has been | 62 |
|
| 4 | how it have been | 51 |
|
| 5 | where it have been | 48 |
|
| 6 | why it have been | 32 |
|
| 7 | [Wh adv] it 's been | 26 |
|
| 8 | when it have been | 23 |
|
