| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [verb] to [be] | 17812 |
|
| 2 | must [be] [verb] to | 714 |
|
| 3 | must [verb] to [be] | 78 |
|
| 4 | must [be] [verb] [be] | 43 |
|
| 5 | must [be] to [be] | 9 |
|
