| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [prep] [det] a [noun] | 25 |
|
| 2 | [been] [prep] [det] a [noun] | 25 |
|
| 3 | [been] [prep] [det] a [noun sg] | 25 |
|
| 4 | [been] [prep] such a [noun] | 22 |
|
| 5 | [been] in [det] a [noun] | 12 |
|
