| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must have be [adj] [prep] | 217 |
|
| 2 | must have be [adj] [prep] | 169 |
|
| 3 | [modal v] have be clear [prep] | 9 |
|
| 4 | must have be clear [prep] | 5 |
|
| 5 | must have [be] clear [prep] | 5 |
|
| 6 | must [verb] be clear [prep] | 5 |
|
