| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it have been a [noun sg] | 371 |
|
| 2 | have been [adv] a [noun sg] | 209 |
|
| 3 | it have been [adv] a | 48 |
|
| 4 | it have [adv] a [noun sg] | 9 |
|
