| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] must have be | 1982 |
|
| 2 | [pers pn] must have be | 1554 |
|
| 3 | i [modal v] have be | 689 |
|
| 4 | i must [verb] be | 126 |
|
| 5 | i must have be | 118 |
|
| 6 | i must have [be] | 117 |
|
