| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | 's [been] a [noun sg] | 319 |
|
| 2 | [noun] [been] a [noun sg] | 42 |
|
| 3 | [noun] 's [been] a | 21 |
|
| 4 | [noun] 's [been] [noun sg] | 7 |
|
