| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but [pers pn] [vb mod] have been [prep] | 17 |
|
| 2 | but it [vb mod] have been [prep] | 11 |
|
| 3 | but [pers pn] [vb mod] have been in | 9 |
|
| 4 | but [pers pn] could have been [prep] | 7 |
|
