| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been a [noun] since | 19 |
|
| 2 | [verb] been a [noun] since | 19 |
|
| 3 | 's been a [noun] [conj] | 14 |
|
| 4 | [vb -s] been a [noun] since | 11 |
|
| 5 | 's been a [noun] [subord] | 8 |
|
| 6 | 's [be] a [noun] since | 6 |
|
| 7 | 's been a [noun] since | 6 |
|
| 8 | 's been [art] [noun] since | 6 |
|
| 9 | 's [been] a [noun] since | 6 |
|
| 10 | 's be a [noun] since | 6 |
|
| 11 | 's been a [noun] since | 6 |
|
| 12 | 's been [art] [noun] since | 6 |
|
