| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [vb pp] it [is] | 47 |
|
| 2 | have been [vb pp] but it | 17 |
|
| 3 | been [vb pp] but it [is] | 10 |
|
| 4 | have [vb pp] but it [is] | 5 |
|
