| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] must have [be] [prep] [det] | 19 |
|
| 2 | [pers pn] must have been [prep] [det] | 19 |
|
| 3 | [pers pn] must have [been] [prep] [det] | 19 |
|
| 4 | [pers pn] must have be [prep] [det] | 19 |
|
| 5 | it must have [be] [prep] [det] | 15 |
|
| 6 | [pers pn] must have [be] [prep] this | 7 |
|
| 7 | [pers pn] must have [be] [prep] that | 6 |
|
