| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [vb pp] an [noun] | 2821 |
|
| 2 | have been [vb pp] [noun] | 1310 |
|
| 3 | have been an [noun] | 771 |
|
| 4 | have been [vb pp] an | 160 |
|
| 5 | been [vb pp] an [noun] | 82 |
|
