| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] have been [prep] [noun] | 1580 |
|
| 2 | [Wh adv] [pron] have been [prep] | 72 |
|
| 3 | [Wh adv] [pron] have been [noun] | 31 |
|
