| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] have been a matter | 14 |
|
| 2 | it have been a matter | 13 |
|
| 3 | [pers pn] has been a matter | 6 |
|
| 4 | [pers pn] had been a matter | 5 |
|
