| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been a [noun] [noun] [prep] | 259 |
|
| 2 | been [art] [noun] [noun] since | 15 |
|
| 3 | be a [noun] [noun] since | 15 |
|
| 4 | [be] a [noun] [noun] since | 15 |
|
| 5 | [been] a [noun] [noun] since | 14 |
|
