| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must be [verb] | 12065 |
|
| 2 | [vb mod] be see | 4482 |
|
| 3 | [modal v] be see | 4482 |
|
| 4 | must [be] see | 205 |
|
| 5 | must be see | 205 |
|
| 6 | must be see | 204 |
|
| 7 | must [be] see | 204 |
|
