| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [vb pp] as a [noun] | 54 |
|
| 2 | have been [vb pp] as a [noun sg] | 53 |
|
| 3 | have been used as a [noun] | 11 |
|
| 4 | have been intended as a [noun] | 5 |
|
