| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [been] a [adj] [noun] | 1279 |
|
| 2 | [verb] [been] a [det] [noun] | 41 |
|
| 3 | [vb past] [been] [art] [det] [noun] | 28 |
|
| 4 | [vb past] [be] a [det] [noun] | 21 |
|
