| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] have been a [noun] | 82 |
|
| 2 | [det] have been a [noun] | 82 |
|
| 3 | [conj] [det] have a [noun] | 72 |
|
| 4 | [conj] [det] have been a | 45 |
|
| 5 | [conj] [det] have been [noun] | 10 |
|
