| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | 's [vb pp] a [noun] [prep] | 479 |
|
| 2 | been [vb pp] a [noun] [prep] | 325 |
|
| 3 | 's been a [noun] [prep] | 178 |
|
| 4 | 's been [vb pp] a [noun] | 17 |
|
