| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] [modal v] have be | 348 |
|
| 2 | [conj] must have be | 89 |
|
| 3 | [coord] must [verb] be | 59 |
|
| 4 | [coord] must have [be] | 58 |
|
