| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] must have [vb pp] a mistake | 9 |
|
| 2 | [pers pn] must have made a mistake | 9 |
|
| 3 | [pers pn] must have make a mistake | 9 |
|
| 4 | [pers pn] must have [verb] a mistake | 9 |
|
| 5 | [pers pn] must have [verb] a mistake | 9 |
|
| 6 | [pers pn] must have [verb] a mistake | 8 |
|
