| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [modal v] be | 215 |
|
| 2 | be [vb mod] be | 215 |
|
| 3 | [be] must be | 18 |
|
| 4 | be must [be] | 17 |
|
| 5 | be must be | 17 |
|
| 6 | be must be | 17 |
|
| 7 | be must [be] | 17 |
|
