| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been a [noun] [prep] | 3213 |
|
| 2 | not a [noun] [prep] | 2630 |
|
| 3 | not been a [noun] | 94 |
|
| 4 | not been [noun] [prep] | 28 |
|
