| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [pers pn] must have been [prep] | 20 |
|
| 2 | and [pers pn] [modal v] have been [prep] | 19 |
|
| 3 | and [pron] must have been [prep] | 6 |
|
| 4 | and [pers pn] must have [been] [prep] | 5 |
|
| 5 | and [pers pn] must have be [prep] | 5 |
|
| 6 | and [pers pn] must [verb] been [prep] | 5 |
|
| 7 | and [pers pn] must have been [prep] | 5 |
|
| 8 | and [pers pn] must have [be] [prep] | 5 |
|
