| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [ex0] [be] [det] a [noun] | 271 |
|
| 2 | [pron] [been] [det] a [noun] | 8 |
|
| 3 | [ex0] [been] [adj] a [noun] | 8 |
|
| 4 | [ex0] [been] [det] [art] [noun] | 8 |
|
