| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must be [verb] [prep] | 5095 |
|
| 2 | [modal v] be say [prep] | 609 |
|
| 3 | [vb mod] be say [prep] | 609 |
|
| 4 | must be say [prep] | 21 |
|
| 5 | must [be] say [prep] | 21 |
|
| 6 | must be say [prep] | 21 |
|
| 7 | must [be] say [prep] | 21 |
|
| 8 | must be say [prep] | 21 |
|
