| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [pron] must [verb] [been] some | 8 |
|
| 2 | [pron] must [verb] [been] some [noun] | 31 |
|
| 3 | [pron] must [verb] [been] some [noun sg] | 26 |
|
