| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be be | 111 |
|
| 2 | [vb mod] be be | 111 |
|
| 3 | must be [be] | 8 |
|
| 4 | must [be] be | 8 |
|
| 5 | must [be] be | 8 |
|
| 6 | must be be | 8 |
|
| 7 | must be be | 8 |
|
