| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] have been [vb pp] for some | 25 |
|
| 2 | it have been [vb pp] for some | 16 |
|
| 3 | it have been [vb pp] for some | 16 |
|
| 4 | [pron] has been [vb pp] for some | 12 |
|
| 5 | [pron] had been [vb pp] for some | 10 |
|
| 6 | [pron] have been known for some | 9 |
|
