| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [verb] [adv] [to-vb] | 2081 |
|
| 2 | must [be] [verb] [adv] | 838 |
|
| 3 | must [be] [verb] [to-vb] | 629 |
|
| 4 | must [verb] [adv] [to-vb] | 51 |
|
| 5 | must [be] [adv] [to-vb] | 8 |
|
