| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] must have been [adj] | 322 |
|
| 2 | [pron] must have been some | 37 |
|
| 3 | [pers pn] must have been [det] | 31 |
|
| 4 | [pers pn] [vb mod] have been some | 19 |
|
| 5 | [pers pn] [modal v] have been some | 19 |
|
| 6 | [pers pn] must have [be] some | 12 |
|
| 7 | [pers pn] must have been some | 12 |
|
| 8 | [pers pn] must have been some | 12 |
|
| 9 | [pers pn] must have be some | 12 |
|
| 10 | [pers pn] must [verb] been some | 12 |
|
| 11 | [pers pn] must have [been] some | 12 |
|
