| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] have been a [noun] | 2747 |
|
| 2 | [Wh adv] [pron] have a [noun] | 128 |
|
| 3 | [Wh adv] [pron] have been a | 49 |
|
| 4 | [Wh adv] [pron] have been [noun] | 31 |
|
