| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [verb] been [adv] a [noun] | 18 |
|
| 2 | [vb mod] [verb] been quite a [noun] | 14 |
|
| 3 | [modal v] [verb] been quite a [noun] | 14 |
|
| 4 | must [verb] been quite a [noun] | 12 |
|
| 5 | must [verb] been quite [art] [noun] | 12 |
|
| 6 | must [verb] been quite [art] [noun] | 12 |
|
| 7 | must [verb] [be] quite a [noun] | 11 |
|
| 8 | must [verb] [been] quite a [noun] | 11 |
|
| 9 | must [verb] be quite a [noun] | 11 |
|
| 10 | must [verb] been quite a [noun] | 11 |
|
