| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [verb] be [adv] [conj] | 120 |
|
| 2 | must [verb] be [adv] [conj] | 31 |
|
| 3 | must [verb] [be] [adv] [conj] | 27 |
|
