| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [verb] been a [noun] | 181 |
|
| 2 | [verb] been quite a [noun] | 65 |
|
| 3 | must [verb] been quite a | 14 |
|
| 4 | must [verb] quite a [noun] | 8 |
|
