| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] been a [noun] [prep] | 891 |
|
| 2 | [verb] been a [noun] for | 281 |
|
| 3 | [vb past] been [art] [noun] for | 125 |
|
| 4 | [vb past] [be] a [noun] for | 91 |
|
| 5 | [vb past] be a [noun] for | 91 |
|
| 6 | [vb past] [been] a [noun] for | 77 |
|
